National Geologic Map Database
General Information
- Title: Geologic map of the Seneca quadrangle, Montgomery County, Maryland, and Fairfax and Loudoun Counties, Virginia
- Author(s): Drake, A.A., Southworth, Scott, and Lee, K.Y.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Geologic Quadrangle Map GQ-1802
- Publication Date: 1999
- Map Scale: 1:24,000
- Cross Section: Yes
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Geologic units referred to in Geolex
Additional Resources
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.