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1909 Map of Mount Airy

Name: 1909 Topographic Map of Mount Airy
Creator: U.S. Geological Survey
Published: 1940
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1940

About this map

Mount Airy sits at the nexus of several Maryland counties, serving as a hub for the Baltimore and Ohio Railroad as it cuts through the rolling landscape. This early 20th-century geography is defined by a dense network of historic pikes and turnpikes, including the Frederick and Baltimore Turnpike and the Libertytown and Taylorsville Turnpike, which connected the agricultural settlements of Libertytown, Unionville, and Taylorsville. A visible Tollgate at Poplar Springs illustrates the managed travel routes of the era before modern highways.

The terrain is deeply etched by the headwaters of the Patapsco River and Linganore Creek, providing power for local industry such as Hipsleys Mill. While many small crossroads like Ridgeville and Woodbine grew around the railway, the surrounding countryside remained largely rural, populated by small farms and crossroads communities like Winfield and Cooksville. This survey preserves the exact boundaries of Carroll, Frederick, Howard, and Montgomery counties during a period of transition for central Maryland’s transport economy.