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1908 Map of Seneca

Name: 1908 Topographic Map of Seneca
Creator: U.S. Geological Survey
Published: 1932
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1932

About this map

The Potomac River corridor at the start of the twentieth century was a vital artery of commerce and transit, anchored by the C and O Canal and a network of historic river crossings. This survey captures a rural landscape transitioning toward a rail-and-road economy, with the Baltimore and Ohio RR serving northern Montgomery County through stops like Boyds and Germantown. The river itself is dotted with significant landforms such as Mason Island and Selden Island, while established ferries including Whites Ferry and Edwards Ferry provided critical links to the Virginia shore.

Farming communities like Poolesville, Darnestown, and Quince Orchard appear before the era of modern suburban expansion. On the Virginia side, the Southern RR cuts through Ashburn and Sterling, following the path of the Leesburg and Georgetown Turnpike. The map provides a detailed view of the terrain around Balls Bluff and the confluence of the Monocacy River, where the infrastructure of the nineteenth-century canal system still dictated the pace of local life.