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1950 Map of Issaquah

Name: 1950 Topographic Map of Issaquah
Creator: U.S. Geological Survey
Published: 1956
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1956

About this map

Issaquah serves as the hub of this mid-century landscape, positioned at the convergence of the East Fork and the Northern Pacific railroad. The geography is defined by the expansive southern reach of Sammamish Lake, where small settlements like Monohon and Inglewood dot the eastern shoreline. The town center shows early industrial and civic footprints, including the State Fish Hatchery and the Issaquah Airport situated along the flats of Issaquah Creek.

To the east and south, the terrain rises sharply toward Grand Ridge, Squak Mountain, and Tiger Mountain, creating a natural barrier that constrained early development. The map also captures several smaller bodies of water on the plateau, such as Pine Lake and Laughing Jacobs Lake, and indicates former transit corridors like the Old Railroad Grade. The presence of the County Gravel Pit and the settlement of Coalfield to the southwest hint at the extraction and resource-based economy that preceded the area's later suburban transformation.