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State
Geologic Formations
State of Maryland —
This file of geologic unit polygons is for educational use. There are known errors and omissions. The file is part of a recompilation of the 1968 Geologic Map of... -
State
Washington_County_2022_GeologicFormations
State of Maryland —
This layer contains data concerning the location and characteristics of bedrock, mappable geologic units, within Washington county. This geodatabase contains geologic... -
State
Frederick_County_2022_GeologicFormations
State of Maryland —
This layer contains data concerning the location and characteristics of bedrock, mappable geologic units, within Frederick county. This geodatabase contains geologic...