Saltpeter rocks, trough of the Potomac, "Jackson, Denver., Col." and "124" on negative., Commissioned by Baltimore & Ohio Railroad., Detroit Publishing Co. no. 01801., Gift; State Historical Society of Colorado; 1949, Rivers. , Flatboats. , United States, Potomac River.

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Size: 2387px × 2932px
Photo credit: © piemags/LCB / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., flatboats., river., rivers., states--potomac, united