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Island in the Potomac River
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Fort Carroll [10]
![Fort Carroll [10]](../../../i/upload/2024/07/20/20240720100318-fb8a8add-cu_s9999x250.jpg "Fort Carroll [10] (2045 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [03]
![Fort Carroll [03]](../../../i/upload/2024/07/20/20240720100324-8faecbcb-cu_s9999x250.jpg "Fort Carroll [03] (2006 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [07]
![Fort Carroll [07]](../../../i/upload/2024/07/20/20240720100329-7ced8933-cu_s9999x250.jpg "Fort Carroll [07] (3713 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [04]
![Fort Carroll [04]](../../../i/upload/2024/07/20/20240720100335-52c698ca-cu_s9999x250.jpg "Fort Carroll [04] (2183 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [05]
![Fort Carroll [05]](../../../i/upload/2024/07/20/20240720100340-b17d75db-cu_s9999x250.jpg "Fort Carroll [05] (3383 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [09]
![Fort Carroll [09]](../../../i/upload/2024/07/20/20240720100345-3507399f-cu_s9999x250.jpg "Fort Carroll [09] (2819 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [02]
![Fort Carroll [02]](../../../i/upload/2024/07/20/20240720100351-47378eef-cu_s9999x250.jpg "Fort Carroll [02] (1733 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [06]
![Fort Carroll [06]](../../../i/upload/2024/07/20/20240720100355-29275956-cu_s9999x250.jpg "Fort Carroll [06] (3327 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [08]
![Fort Carroll [08]](../../../i/upload/2024/07/20/20240720100401-2649a560-cu_s9999x250.jpg "Fort Carroll [08] (1990 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Fort Carroll [01]
![Fort Carroll [01]](../../../i/upload/2024/07/20/20240720100406-5a03ca0a-cu_s9999x250.jpg "Fort Carroll [01] (1772 visits) Fort Carroll, an artificial island and former sea fort in the Patapsco River, just outside Baltimore...")
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Construction in the canal
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Hudson River near New York City [01]
![Hudson River near New York City [01]](../../../i/upload/2024/07/20/20240720151646-3a0cca88-cu_s9999x250.jpg "Hudson River near New York City [01] (1692 visits) The Hudson River, near New York City. Black Tom Island, Ellis Island, Liberty Island, and Governors...")
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Hudson River near New York City [02]
![Hudson River near New York City [02]](../../../i/upload/2024/07/20/20240720151717-5790e813-cu_s9999x250.jpg "Hudson River near New York City [02] (1754 visits) The Hudson River, near New York City. Black Tom Island, Ellis Island, Liberty Island, and Governors...")
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Susquehanna River between Dauphin and Marysville, Pennsylvania [04]
![Susquehanna River between Dauphin and Marysville, Pennsylvania [04]](../../../i/upload/2025/03/06/20250306045933-5ace4d8b-cu_s9999x250.jpg "Susquehanna River between Dauphin and Marysville, Pennsylvania [04] (214 visits) The Susquehanna River, between the towns of Dauphin and Marysville, Pennsylvania. View facing upstr...")