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Fort Gorges
Fort Gorges
Fort Gorges is located in Maine
Fort Gorges
Fort Gorges is located in the United States
Fort Gorges
LocationE of Portland on Hog Island, Portland Harbor
Nearest cityPortland, Maine
Coordinates43°39′47″N 70°13′17″W / 43.66306°N 70.22139°W / 43.66306; -70.22139
Area6 acres (2.4 ha)
Built1858 (1858)
NRHP reference No.73000114[1]
Added to NRHPAugust 28, 1973

Fort Gorges is a former United States military fort built on Hog Island Ledge in Casco Bay, Maine, United States.[2] Built from 1858 to 1865, no battles were fought there and no troops were stationed there. Advancing military technology, including iron clad ships and long range guns, rendered the fort obsolete before it could be used. The fort is now a park, accessible only by boat. It was added to the National Register of Historic Places in 1973.[3]

History

[edit]
Fort Gorges in the 1930s

Following the War of 1812, the United States Army Corps of Engineers proposed that a fort be built on Hog Island Ledge, in Casco Bay at the entrance to the harbor at Portland, Maine. It was part of the third system of US fortifications. Named for the colonial proprietor of Maine, Sir Ferdinando Gorges, it was constructed to support existing forts, including Fort Preble in South Portland and Fort Scammel built on nearby House Island in 1808. Congress, however, did not fund construction of Fort Gorges until 1857. The walls of the fort were begun the next year, and when the American Civil War broke out in 1861, work quickly advanced.

The fort was designed by Colonel Reuben Staples Smart. The chief architect in charge of construction was Thomas Lincoln Casey, who later became Chief of Engineers. It is similar in size and construction to Fort Sumter, but is built of granite instead of brick.

The fort was completed in 1865 as the war ended. Modern explosives made the fort obsolete by the time it was completed. A modernization plan was begun in 1869, but funding was cut off in 1876, with the third level of the fort still unfinished. During the modernization project, sod-covered sand was added to the top level of the fort to protect gun encasements and powder magazines from attacks.

The fort's armament consisted of thirty-four 10-inch Rodman guns mounted in the fort's casemates. In 1898, all guns were removed from the fort except a large 300-pounder (10 in (254 mm)) Parrott rifle which was on the top of the fort but not mounted.

300-pounder Parrott Rifle located at Fort Gorges

The 300-pounder Parrott rifle still remains in place and is one of the largest surviving specimens of Civil War vintage artillery.

The fort was last used by the Army during World War II, when it was used to store submarine mines.

It was acquired by the city of Portland in 1960 and placed on the National Register of Historic Places in 1973. It is now open to the public as a park, and is accessible only by private boat or hired water taxi. Visitors are recommended to carry a flashlight to enter the powder magazines. The fort is in need of restoration.[4]

In 1983, the Maine State Legislature passed a law guaranteeing the state the right of first refusal in any future sale of Fort Gorges by the city of Portland.[5]

Friends of Fort Gorges initiated a $250,000 fundraising campaign for money to make critical repairs to the facility in the summer of 2019. Another $250,000 would come from the City of Portland.[6] In 2021, the island's first city-permitted event took place and 49 people visited the island for a fundraiser while others watched online because of COVID-19 restrictions.[7] Previously, Portland developer Mike Dugay proposed converting the location into a commercial space to include a bed and breakfast, restaurant, and brewery.[8]

See also

[edit]

References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

Fort Gorges

View on Grokipedia
from Grokipedia
Fort Gorges is a D-shaped fortress located on Hog Island Ledge in , near , constructed between 1858 and 1865 as a key element of the ' coastal defense system during the Civil War era. Named after Sir , the 17th-century English colonizer instrumental in establishing the , the fort was designed by Colonel Reuben Staples Smart and modeled after the stronghold to safeguard Portland Harbor alongside Fort Scammel and Fort Preble from potential naval threats, a concern heightened by the War of 1812. Despite its formidable design featuring 28 casemates, a surrounding moat, and capacity for heavy artillery like a 10-inch Rodman gun, Fort Gorges never fired a shot in combat and became obsolete shortly after completion due to rapid advancements in naval warfare technology. The fort's two-story structure, built from local blocks by masons under Smart's supervision, includes officers' quarters, circular stair towers, a central parade ground, and a for access, with emplacements originally intended for up to 56 guns on its southern, eastern, and western facades. Following the Civil War, it served limited roles, including as a caretaker station and later as storage for naval mines during World Wars I and II, before being declared surplus property by the U.S. government in 1960 and transferred to the City of Portland. Listed on the in 1973, the site exemplifies mid-19th-century military engineering but has faced deterioration from the harsh marine environment, prompting preservation efforts by the nonprofit Friends of Fort Gorges since 2014, including hazard mitigation projects, an ongoing preservation plan with the City of Portland as of 2025, and plans for public tours and cultural events. Accessible only by , Fort Gorges remains a city-owned open for at visitors' own risk, highlighting its transition from strategic military asset to a preserved historical landmark.

Geography and Access

Location

Fort Gorges is situated on Hog Island Ledge, a rocky outcrop in , approximately 1.2 nautical miles (2.2 km) from the Portland waterfront. This position places it at the center of Portland Harbor, east of downtown , within a dynamic estuarine environment formed by the bay's tidal flows and coastal geography. The fort occupies about 2 acres of barren rock augmented by constructed land, providing a compact yet formidable platform amid the surrounding waters. Its strategic placement offers oversight of key maritime routes, including proximity to the Fore River—a vital tidal waterway flowing into the harbor—and the primary entrances to Portland Harbor, such as the main ship channel and Hussey Sound. Environmental conditions at the site, characterized by constant tidal exposure and physical isolation on the exposed ledge, enhanced its role in coastal defense by limiting access and maximizing visibility over approaching vessels. Foundations were specifically elevated above high tide levels to mitigate wave action and submersion risks in this harsh marine setting. The barren, windswept nature of Hog Island Ledge further underscored the fort's self-contained defensive isolation within the broader ecosystem.

Accessibility

Fort Gorges, owned by the City of Portland since 1960, is accessible exclusively by water due to its isolated position on Hog Island Ledge in . There are no bridges, roads, or public docks providing land access, requiring visitors to arrive via private boat, , or arranged water transportation from Portland or nearby locations such as . Water services, including those operated by Casco Bay Adventures and Bird's Eye , offer round-trip transport to the fort, typically departing from Portland's waterfront marinas, with fares ranging from $120 to $140 depending on the provider and group size. Organized tours, such as those provided by Portland Paddle, also facilitate access and are popular for their guided approach to the site. Upon arrival, visitors must land using small boats or kayaks directly on the fort's shoreline, which lacks formal docking infrastructure and presents challenges due to the rocky terrain of the ledge. The main entry point is the historic on the northwest side, a fortified gateway that serves as the primary access for exploring the fort's interior and grounds. Once inside, exploration is at visitors' own risk, with the site open year-round but recommended only under suitable conditions. Access is heavily influenced by seasonal and environmental factors, including weather patterns and tidal cycles in . Tours and water taxi services are primarily available from late spring through early fall, with operations often suspended during winter due to harsh conditions and reduced daylight. High tides are essential for safe landing and departure, as low tides can expose hazardous rocks and limit navigability; services like Casco Bay Adventures restrict trips to within two hours of high tide to mitigate risks. Visitors should consult charts and forecasts in advance, wear appropriate safety gear such as life jackets, and be prepared for potential cancellations due to strong winds, fog, or rough seas common in the region.

Historical Development

Antecedents and Planning

The proposal for Fort Gorges emerged in the aftermath of the , as part of the U.S. Army's Third System of coastal fortifications designed to safeguard key harbors from potential British naval incursions. This system, initiated in 1816, aimed to fortify vulnerable Atlantic ports, including Portland Harbor in , , where earlier defenses like Fort Preble had proven insufficient against modern threats. The fort's naming honored Sir , a 17th-century English colonizer who obtained a royal patent for the in 1635 and played a pivotal role in its early colonial establishment. Initial surveys for the fortification were conducted by the U.S. Army Corps of Engineers in the 1820s and 1830s, but progress stalled amid shifting priorities and limited resources. By the 1850s, escalating tensions with European powers, including British colonial expansions and the Crimean War's demonstrations of naval power, reignited fears of foreign invasion along the U.S. East Coast, prompting renewed focus on harbor defenses. In response, authorized funding for the project on March 3, 1857, allocating resources specifically for a fort on Hog Island Ledge to bolster Portland's strategic position. The selection of Hog Island Ledge as the site was driven by its advantageous location at the entrance to , providing a commanding overlook of the primary approaches to Portland Harbor and enabling crossfire support with adjacent fortifications. This rocky outcrop, measuring about two acres, offered an ideal platform for a sea-based that could dominate incoming vessels while minimizing land-based vulnerabilities. Engineers emphasized the ledge's natural defenses and visibility, ensuring the fort would integrate seamlessly into System's layered for repelling naval assaults.

Construction Phase

Construction of Fort Gorges commenced in 1858 under the supervision of the , as part of the Third System of coastal fortifications designed to protect Portland Harbor following the War of 1812. The project, intended to create a robust defensive structure on Hog Island Ledge, faced delays due to the outbreak of the Civil War in 1861, though the pace of work accelerated amid wartime urgency to fortify key ports. By the time construction concluded in 1865, coinciding with the war's end, the fort had been substantially completed despite these interruptions. The design was the work of Colonel Reuben Staples Smart, an engineer in the U.S. Army Corps of Engineers, who crafted a D-shaped structure modeled after the contemporary in . This configuration featured a two-story granite enclosure with arched for artillery on the lower level, optimized for overlapping fields of fire across . Oversight of the construction fell to Captain Thomas Lincoln Casey, also of the Corps, who managed the on-site engineering and later rose to Chief of Engineers. The fort's layout emphasized durability, with thick walls capable of withstanding naval bombardment, reflecting the era's emphasis on masonry fortifications. The structure was built predominantly from quarried on nearby Cushing's Island, providing locally sourced material that ensured the fort's massive, enduring form without reliance on distant supplies. Interior elements incorporated some for vaults and partitions, but the exterior relied entirely on precisely cut granite blocks to form the imposing D-shaped perimeter. This choice of material not only aligned with the design's requirements for blast resistance but also leveraged Maine's abundant quarries to expedite assembly during the resource-strapped Civil War years. Labor for the project involved a combination of civilian contractors and military personnel from the Army Corps, who transported and positioned the heavy stone amid the ledge's isolation in . The remote site, accessible only by water, compounded logistical difficulties, while the region's severe coastal weather—frequent storms, high winds, and winter freezes—regularly halted progress and demanded resilient construction techniques. Despite these obstacles, the workforce completed the core structure by 1865, transforming the barren Hog Island Ledge into a fully enclosed fortress ready for armament, though technological shifts soon rendered it strategically outdated.

Armament and Modernization

Fort Gorges was initially equipped with thirty-four Rodman smoothbore guns, primarily of 10-inch caliber mounted in casemates on the first and second levels, supplemented by six s including a prominent 300-pounder model. The 300-pounder , a rifled muzzle-loader capable of firing 300-pound projectiles over long ranges, remains in place on the third level and represents one of the largest surviving examples of Civil War-era . These weapons were positioned in enclosed casemates along the fort's south, east, and west facades, with embrasures designed for enfilading fire across , while the upper barbette tier on the roof allowed for open-air mounts to maximize and range. In 1869, a major modernization effort began to adapt the fort to evolving threats, including the construction of a third level with additional casemates and the addition of batteries on the roof protected by sodded earth parapets. This upgrade aimed to accommodate eleven 15-inch Rodman guns on the tier, along with reinforced covered ways—sloped, protected passages—for troop movement and supply to the upper emplacements, enhancing the fort's defensive profile against naval incursions. However, the project was left incomplete when terminated funding in 1876, leaving the third level unfinished and only partial modifications to the existing gun positions. The fort's armament rapidly transitioned to obsolescence due to rapid advancements in rifled artillery, which offered greater accuracy and range than smoothbores, and the emergence of ironclad warships whose armored hulls could withstand traditional granite fort defenses. By the late 1860s, innovations like the demonstrated that ironclads could neutralize fixed coastal batteries, rendering structures like Fort Gorges strategically outdated before full implementation of its planned upgrades. This shift prompted the removal of most guns by 1898, leaving the fort as a relic of pre-modern coastal defense doctrine.

Military Service

Civil War Era

Fort Gorges, constructed primarily between 1858 and 1864, reached substantial completion just as the drew to a close in 1865, rendering it unavailable for active combat deployment. Intended as a key component of Portland Harbor's defenses alongside Fort Preble and Fort Scammel, the fort was designed to mount heavy —potentially up to 95 guns in a D-shaped configuration—to deter naval incursions and provide overlapping fire across the harbor entrances. However, by the time of its near-completion, advancements in rifled , high-explosive shells, and ironclad warships had already diminished the effectiveness of such granite casemate forts, contributing to its obsolescence before full operational readiness. The fort's strategic purpose centered on safeguarding northern Union ports from potential Confederate naval raids, a concern heightened by incidents such as the 1863 attempt by Confederate operatives to seize the revenue cutter USS Caleb Cushing in Portland Harbor. Despite this real threat to the region, Fort Gorges saw no military action, as construction delays and the war's rapid conclusion prevented its engagement; no enemy vessels approached close enough to test its defenses, and the harbor was secured by existing fortifications. No permanent troops were ever garrisoned there during the conflict, with only temporary construction workers present in the final phases to complete the granite structure's two-tiered casemates and earthen ramparts. Though untested in battle, Fort Gorges symbolized the Union's expansive coastal efforts under the Third System of defenses, embodying the era's emphasis on robust harbor protection even as technological shifts rendered such installations increasingly symbolic. By the war's end, no armaments had been mounted, leaving the fort as a costly but unused outpost amid the broader network of Union defenses.

World War II Utilization

During , Fort Gorges was reactivated in the early as part of the coastal defense network for Portland Harbor and , serving primarily as a storage depot for submarine mines and related equipment to bolster regional defenses. This repurposing adapted the fort's existing granite casemates and central courtyard—originally designed in the Third System era (1857–1875)—into a secure facility for mine storage, including a concrete storehouse pad that supported minefields in key areas such as the Main Ship Channel and Hussey Sound. The facility's role emphasized logistical support rather than active armament, with operations controlled from nearby Forts Williams and McKinley. Personnel at Fort Gorges remained minimal throughout its wartime use, typically limited to an ordnance sergeant, a civilian fort keeper, or a small caretaking detachment, reflecting its function as a low-maintenance depot amid broader reductions in harbor defense staffing to under 800 personnel by 1945. Unlike more heavily manned sites such as Peaks Island's , which housed a coast artillery battalion, Fort Gorges focused on storage without significant presence, storing buoyant and later magnetic ground mines deployed between February and May 1943. This setup contributed to 's preparations, including protective minefields, anti-submarine nets, and rapid-fire gun batteries that deterred German incursions, as evidenced by the sighting and attack on U-87 on June 22, 1942, near the entrance to . Mine removal from defenses was ordered on March 20, 1945, signaling the wind-down of active operations at Fort Gorges as the war in concluded. Following the Allied victory, the fort was abandoned in 1946 when Portland Harbor defenses were fully inactivated on June 30, leading to rapid deterioration from exposure and neglect, with its structures left unsecured and vulnerable to the elements. This post-war disuse marked the end of Fort Gorges' military service, transitioning it from a vital wartime asset to an obsolete relic.

Decommissioning

Following , during which Fort Gorges served primarily as a storage facility for mines and submarine nets, the U.S. declared the fort surplus property in 1946, marking the end of its active military role. With no immediate alternative military or governmental purposes identified, the site remained vacant for the next 14 years, exposed to the elements in . During this period of abandonment, Fort Gorges experienced significant decay due to decades of deferred , including natural overgrowth of vegetation and masonry deterioration from exposure to saltwater and weather. further contributed to the structural decline, as the unoccupied island fort became vulnerable to unauthorized visitors and neglect. In 1960, the federal government transferred ownership of the surplus property to the City of Portland through a conveyance process, establishing it as municipal land designated for . This legal transition from federal military control to local civilian authority facilitated the fort's opening to the public as an accessible , shifting its status from restricted installation to community asset.

Architectural Description

Overall Design

Fort Gorges features a D-shaped granite structure characteristic of the Third System coastal fortifications, with a polygonal layout that spans the entirety of Hog Island Ledge. Modeled after Fort Sumter in Charleston Harbor, the fort incorporates two primary casemated tiers for enclosed gun positions and a partial third barbette tier for open-top emplacements, designed to mount up to 56 guns across its south, east, and west facades. Constructed from locally quarried granite blocks sourced from Cushing Island, the fortress emphasizes durability and resistance to artillery fire through its solid masonry form. The internal layout centers on a parade ground for assembly and drills, flanked by officers' quarters and integrated into the gorge casemates along the rear wall. These living spaces feature plastered walls for improved , supporting a structure suited to extended occupation. Engineering principles focus on bomb-proofing via vaulted arches in the casemates and a bombproof central , with coverings over second-tier arches and earthen traverses adding layers of protection against explosive impacts. The massive walls, several feet thick, form the backbone of this defensive architecture, enabling the multi-tiered configuration while withstanding the structural demands of the design. The third tier was left unfinished following the suspension of major work around , attributable to escalating costs and technological advancements like rifled guns and ironclads that diminished the relevance of such masonry forts. This incomplete upper level underscores the evolving priorities in during the late Civil War period, where initial plans for full three-tier armament were curtailed.

Defensive Features

Fort Gorges features robust walls constructed as a multi-tiered structure, with scarps raised 10 to 14 feet above the foundations on key fronts to provide a steep inner for defense. These walls incorporate a as the outer leading to the surrounding water barrier, forming slopes that deflect incoming fire and expose approaching forces. The dressed , with rusticated joints and stepped , enhances durability against bombardment, measuring approximately 242 feet by 136 feet overall. The fort's casemates include two tiers with embrasures designed for enfilading fire, enabling crossfire along the perimeter to cover vulnerable approaches effectively. These Totten-style embrasures feature reduced throat sizes and spring-hinged iron shutters for protection during firing. Sally ports, such as the north entrance with its classic surround, facilitate secure troop egress, originally secured by a drawbridge and reinforced wooden doors over an interior moat. Covered ways, including granite stair towers, provide sheltered routes for internal movement between tiers and along the parade ground. Bomb-proof magazines, such as those in the east completed by 1868, utilize thick vaults to safeguard from shell impacts. Traverses, heavy earthen barriers sodded for stability and finished by 1874, segment the terreplein to contain explosions and limit damage from enfilade hits. The fort integrates with Hog Island Ledge by raising foundations 13 to 17 feet above high tide on the natural rock outcrop, positioning elevated batteries to command auxiliary channels in .

Preservation and Contemporary Role

National Historic Status

Fort Gorges was added to the on August 28, 1973, with reference number 73000114, recognizing its importance in and /. The fort's listing highlights its role in 19th-century coastal defense strategies, as one of three granite structures built to protect Portland Harbor following the , and its design as a well-preserved example of mid-19th-century techniques using local and brick interiors. Despite rapid obsolescence due to advancements like ironclad warships and rifled during the Civil War, the structure's intact condition underscores its value in illustrating the evolution of U.S. defensive . The fort also holds designation as a local historic landmark in , emphasizing its contribution to comprehending the nation's 19th-century fortification efforts. This status reflects Fort Gorges' place among the approximately 42 forts erected under System of coastal defenses from 1816 to 1867, marking it as one of the last such projects completed in 1864–1865, even though it saw minimal active service beyond storage roles in the World Wars. These designations provide Fort Gorges with legal protections under both federal and local laws, including review processes for any federally assisted projects that could affect the site per Section 106 of the , as well as oversight of alterations through Portland's ordinance. Following its transfer from federal to city ownership in 1960, these safeguards ensure the fort's preservation as a cultural asset.

Restoration Initiatives

The Friends of Fort Gorges, a established in 2015, has managed preservation efforts at the fort, emphasizing hazard mitigation, structural preservation, and phased restoration to protect its historical integrity. This work includes removing invasive vegetation to prevent further deterioration and installing safety features such as railings and stabilized walkways, in collaboration with the U.S. Army Corps of Engineers. The organization's initiatives are structured around a multi-phase preservation plan developed in partnership with the City of Portland, beginning with immediate hazard mitigation in 2017 to address risks like unstable structures and from tidal exposure. The City of Portland's ongoing preservation plan, initiated in the late 2010s and continuing through the , focuses on structural stabilization and safety enhancements to make the remote site more accessible while combating environmental challenges. Key efforts include reinforcing the against wave erosion and replacing deteriorated wooden elements prone to freeze-thaw damage, with annual maintenance like vegetation clearing on the parade grounds. These activities face obstacles such as the fort's isolated location, which limits equipment transport and increases costs, as well as ongoing natural degradation from and weather. Funding for these initiatives comes from a mix of private donations, federal grants, and municipal contributions, including a 2020 "Your Fort" campaign that raised funds for bridge replacements and an . In 2023, the Friends sought $1.1 million in federal earmarks through congressional support for reconstruction, while the city provided $16,000 for prior stabilization projects. Recent updates from 2023 to 2025 include seasonal maintenance activities in fall 2024 to address structural vulnerabilities and exploratory discussions on options, such as potential transfer to state or nonprofit ownership to sustain . The plan's preservation phase aims to strengthen the fort's walls and casemates, paving the way for a final restoration stage involving public input on future uses.

Tourism and Public Use

Fort Gorges operates as a public park managed by the City of Portland, having been transferred to city ownership in 1960, and is open daily from 6:30 a.m. to 10:00 p.m. during the warmer months for self-guided exploration at visitors' own risk, with no admission fee or on-site amenities such as restrooms. Access to the fort requires private boat, water taxi, kayak rental, or guided excursion, as it sits on a 2-acre rocky ledge in with no bridge or dock facilities for public vehicles. The site attracts history enthusiasts and adventurers who wander its granite corridors and ramparts, often combining visits with kayaking tours that integrate it into broader water trails. The nonprofit Friends of Fort Gorges offers guided historic tours and private events to enhance public engagement, emphasizing the fort's Civil War-era and strategic role without incorporating reenactments, though of its scenic, weathered structure is a popular draw for visitors. These tours provide interpretive insights into the site's past, while the organization promotes educational programming on and the surrounding island ecology, including youth volunteer initiatives like the "Summer of Safety" for hands-on learning about preservation. The fort's isolated location fosters activities such as along its perimeter paths and , with species like ospreys commonly observed in the habitat. Annually, Fort Gorges sees approximately 8,000 visitors, drawn by its unique blend of historical intrigue and natural beauty, making it a niche attraction within Portland's landscape despite limited . Private events, including celebrations and artistic gatherings, are hosted seasonally to utilize the fort's dramatic setting, further supporting its role as a cultural venue in .

References

  1. https://npgallery.nps.gov/GetAsset/65ed615d-c53d-4e9b-9be9-3d2992ec7512
  2. https://mainehomedesign.com/bicentennial/fort-gorges/
  3. https://www.portlandlandmarks.org/fort-gorges
  4. https://portland.civilspace.io/en/projects/fort-gorges-preservation-plan
  5. https://www.businessinsider.com/beautifully-eerie-photos-abandoned-fort-coast-maine-2019-10
  6. https://www.portlandmaine.gov/1227/Fort-Gorges
  7. https://cdsg.org/wp-content/uploads/pdfs/FORTS/PortlandCDSG/HDPortlandCDSG.pdf
  8. https://www.portlandpaddle.net/6-forts-you-can-visit-in-downtown-portland/
  9. https://cascobayadventures.com/cba-water-taxi-portland-me/
  10. https://www.birdseyemaine.com/taxi
  11. https://www.airial.travel/attractions/united-states/portland/fort-gorges-portland-maine-kaQVYhMa
  12. https://wanderlog.com/place/details/242306/fort-gorges
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  27. https://theclio.com/entry/16105
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  30. https://npgallery.nps.gov/AssetDetail/NRIS/73000114
  31. https://www.islandinstitute.org/working-waterfront/fort-gorges-time-for-new-ownership/
  32. https://www.portlandmaine.gov/1554/Historic-Preservation-Program-Initiative
  33. https://www.guidestar.org/profile/01-0534328
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  36. https://www.youtube.com/watch?v=Jfmm6G2DJEU
  37. https://www.portlandpaddle.net/tours/fort-gorges-sea-kayak-trip/
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  40. https://friendsoffortgorges.org/
  41. https://saltstoryarchive.com/projectview.php?id=23554
  42. https://ebird.org/hotspot/L9864150
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