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:

reduced-size image of the interactive map

Continental US

Show in Google Earth or other KML viewer:

surveys.kmz (compressed KML file 7.8 megabytes)

Show in your GIS using OGC web services:

Service, version	URL	Capabilities document
WMS, version 1.3.0	https://mrdata.usgs.gov/services/surveys	Capabilities
WFS, version 1.1.0	https://mrdata.usgs.gov/services/wfs/surveys	Capabilities

Download

Get the entire data set:

AirborneGeophysicalSurvey_Inventory_V4.gdb.zip (File geodatabase 3.6M bytes)

AirborneGeophysicalSurvey_footprint.shp.zip (Shapefile, survey footprints 13M bytes)

DataLinks.csv (CSV, survey data links 0.5M bytes)

Select surveys by state and county

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

Documentation

Metadata:

USGS Science Data Catalog has 1,585 metadata records for these surveys (Metadata for each survey can also be found through the report describing the survey.)

Publication

Airborne Geophysical Survey Inventory of the Conterminous United States, Alaska, Hawaii, and Puerto Rico (ver. 4.0, April 2023)

Johnson, M.R., Anderson, E.D., Ball, L.B., Drenth, B.J., Grauch, V.J.S., McCafferty, A.E., Scheirer, D.S., Schweitzer, P.N., Shah, A.K., and Smith, B.D., 2019, Airborne Geophysical Survey Inventory of the Conterminous United States, Alaska, Hawaii, and Puerto Rico (ver. 4.0, April 2023): U.S. Geological Survey data release, https://doi.org/10.5066/P9K8YTW1.

This is the formal data release from which these data are derived.

Digital Aeromagnetic Datasets for the Conterminous United States and Hawaii - A Companion to the North American Magnetic Anomaly Map

U.S. Geological Survey and National Geophysical Data Center, 2002, Digital Aeromagnetic Datasets for the Conterminous United States and Hawaii - A Companion to the North American Magnetic Anomaly Map, USGS Open-File Report 2002-361, https://doi.org/10.3133/ofr02361.

Digital and analog archives comprising more than 1,000 surveys, covering approximately 8,000,000 line-km of data, flown at various flight heights and line spacings.

Digitized Aeromagnetic Datasets for the Conterminous United States, Hawaii, and Puerto Rico

U.S. Geological Survey, 1999, Digitized Aeromagnetic Datasets for the Conterminous United States, Hawaii, and Puerto Rico: USGS Open-File Report 1999-557, https://doi.org/10.3133/ofr99577.

Digital and analog archives comprising more than 1,000 surveys, covering approximately 8,000,000 line-km of data, flown at various flight heights and line spacings.

Aeromagnetic and aeroradiometric data for the conterminous United States and Alaska from the National Uranium Resource Evaluation (NURE) program of the U.S. Department of Energy

Hill, P.A., Kucks, R.P., Ravat, D., 2009, Aeromagnetic and aeroradiometric data for the conterminous United States and Alaska from the National Uranium Resource Evaluation (NURE) program of the U.S. Department of Energy: USGS Open-File Report 2009-1129, https://doi.org/10.3133/ofr20091129.

Flight-line data from the original surveys available for each 1°x2° map quadrangle, used in creating the national compilation