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Western Fortymile Mining District Geophysical Survey

The Western Fortymile electromagnetic and magnetic airborne geophysical survey is located in eastern Alaska in the Fortymile mining district, about 225 kilometers east of Fairbanks, Alaska. Frequency domain electromagnetic and magnetic data were collected with the DIGHEMV system in September 2007. A total of 1825.9 line kilometers were collected covering 646.3 square kilometers. Line spacing was 400 meters (m). Data were collected 30 m above the ground surface from a helicopter towed sensor platform ('bird') on a 30 m long line.

Available Data Metadata Overview
File Name Data File Format File Size Info
Download gpr2019_007_westernfortymile_vector_data Vector data 29.5 M Read me
Download gpr2019_007_westernfortymile_maps_prn_format Plot files 31.7 M Read me
Download gpr2019_007_westernfortymile_databases_geosoft Linedata Geosoft format database 35.8 M Read me
Download gpr2019_007_westernfortymile_images_registered Image files 2.6 M Read me
Download gpr2019_007_westernfortymile_grids_geosoft Gridded data Geosoft format 27.7 M Read me
Download gpr2019_007_westernfortymile_grids_ermapper Gridded data ER Mapper 27.6 M Read me
Download gpr2019_007_westernfortymile_kmz Google Earth files 22.6 M Read me
Download gpr2019_007_westernfortymile_documents Adobe PDF files 1.0 M Read me
Download gpr2019_007_westernfortymile_maps_pdf_format Adobe PDF files 35.1 M Read me
Download gpr2019_007_westernfortymile_ascii_data ASCII tabular files 39.2 M Read me

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