Skip to main content
U.S. flag

An official website of the United States government

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.

Skip to content

Airborne magnetic and radiometric survey, Idaho Cobalt Belt, Central Idaho, 2021; Magnetic Data

Metadata Updated: October 29, 2023

This publication provides digital flight line data for a high resolution magnetic and radiometric survey over an area of central Idaho, USA. The survey includes airborne geophysical data collected as part of the U.S. Geological Survey (USGS) Earth Mapping Resource Initiative (Earth MRI) effort (Day, 2019). Earth MRI is a cooperative effort between the USGS, the Association of American State Geologists, and other federal, state, and private sector organizations to improve our knowledge of the geologic framework of the United States. Data for this survey were collected by Sander Geophysics Ltd. under contract with the USGS using a rotary wing aircraft with a magnetometer mounted in the forward stinger and a fully calibrated gamma ray spectrometer. The survey operated out of the Salmon Idaho airport from September of 2021 to October of 2021. The survey covers an approximately 65 kilometer by 90 kilometer area centered on the igneous complex underlying the Salmon Challis National Forest. Data were collected along east west flight lines spaced 200 meters apart with north south tie lines flown every 2,000 meters. A mean terrain clearance of 200 meters was maintained except where safety dictated a higher elevation. A total of 16,950 line kilometers of data were collected. Files that are available in this publication include flight line data for the magnetic survey, flight line data for the radiometric survey and a report describing the survey parameters, field operations, quality control and data reduction procedures.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources


Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023
Publisher U.S. Geological Survey
Identifier USGS:62ed9ca9d34eacf539725790
Data Last Modified 20220824
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 46c80af7-c591-4882-a35f-529019df1b5a
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -114.375,44.667,-113.6,45.5
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash b1834ce1b7c068e43288ada93cf0ef957d154184c805a163769e5dd6bd8a706a
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -114.375, 44.667, -114.375, 45.5, -113.6, 45.5, -113.6, 44.667, -114.375, 44.667}

Didn't find what you're looking for? Suggest a dataset here.