Saltpeter rocks, "trough of the Potomac", "Jackson, Denver, Col.", "Detroit Photographic Co." and "01802" on negative., Commissioned by Baltimore & Ohio Railroad., Detroit Publishing Co. no. 01802., Gift; State Historical Society of Colorado; 1949, Rivers. , Flatboats. , United States, Potomac River.

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Size: 2952px × 2371px
Photo credit: © piemags/LCB / Alamy / Afripics
License: Licensed
Model Released: No

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