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Richardson Mining District Geophysical Survey

The Richardson electromagnetic and magnetic airborne geophysical survey is located in interior Alaska in the Richardson mining district, about 65 kilometers southeast of Fairbanks, Alaska. Frequency domain electromagnetic and magnetic data were collected with the DIGHEMV system in August 1994. A total of 1094.0 line kilometers were collected covering 400.0 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. The survey data were aquired and/or processed by Dighem and WGM, Inc and administered by the Alaska Geological & Geophysical Surveys (DGGS).

Available Data Metadata Overview
File Name Data File Format File Size Info
Download richardson_1994_vector_data Vector data 64.1 M Read me
Download richardson_1994_maps_prn_format Plot files 15.1 M Read me
Download richardson_1994_databases_geosoft Linedata Geosoft format database 9.1 M Read me
Download richardson_1994_images_registered Image files 12.1 M Read me
Download richardson_1994_grids_geosoft Gridded data Geosoft format 16.4 M Read me
Download richardson_1994_grids_ermapper Gridded data ER Mapper 20.6 M Read me
Download richardson_1994_kmz Google Earth files 11.1 M Read me
Download richardson_1994_documents Adobe PDF files 639.1 K Read me
Download richardson_1994_maps_pdf_format Adobe PDF files 13.0 M Read me
Download richardson_1994_profiles_stacked Adobe PDF files 8.0 M Read me
Download richardson_1994_ascii_data ASCII tabular files 35.2 M Read me

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