Airborne geophysical surveys

Airborne surveys measuring the earth's magnetic field, resistivity or other electomagnetic properties, or gamma ray emission over parts of North America.

View

Show in a web browser window:

Show in Google Earth or other KML viewer:

surveys.kmz (compressed KML file 10 megabyte)

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/surveys (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/wfs/surveys (WFS, version 1.1.0)

Download

Select surveys by state and county

Detailed description of each survey gives options to download the data.

Documentation

Publication

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