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.
Example of a resistivity map. Geophysical data collected electronically with electromagnetic survey techniques is used to create resistivity maps. Scientists utilize these maps to understand different things about the geology of a study area.
Public Domain.
