Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https://
means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This layer contains data concerning the location and characteristics of contacts and faults within Frederick county. This geodatabase contains geologic data from Frederick County, Maryland. Data...
data.gov
An official website of the GSA's Technology Transformation Services