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1908 Map of Seneca

Name: 1908 Topographic Map of Seneca
Creator: U.S. Geological Survey
Published: 1925
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1925

About this map

The Potomac River corridor serves as the central artery of this 1907 survey, where the C and O Canal and the Baltimore and Ohio RR parallel the water's edge. This map documents a critical era of regional transport, featuring active river crossings at Nolands Ferry, Whites Ferry, and Edwards Ferry. The landscape is dotted with established agricultural and rail hubs like Poolesville, Germantown, and Boyds, while the Metropolitan Branch cuts through the northern hills.

South of the river, the Leesburg and Georgetown Turnpike connects rural Virginia outposts like Dranesville and Ashburn to the broader trade network. Detailed islands such as Selden Island and Van Deventer I break the river's flow near the mouth of Great Seneca Creek. The presence of numerous small branches and runs, including Cabin John Branch and Beaverdam Run, highlights the complex drainage patterns that shaped local settlement and early industry.