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Farewell Geophysical Survey

The Farewell geophysical survey is located in the Alaska Range of southcentral Alaska in the Yentna and McGrath mining districts, about 150 kilometers northwest of Anchorage, Alaska. Frequency domain electromagnetic, magnetic, and radiometric data were collected with the DIGHEMV system from September 12th to November 3rd, 2012 and June 29th to September 27th, 2013. A total of 7187.5 line kilometers were collected covering 2544.9 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_012_farewell_2012_vector_data Vector data 766.7 M Read me
Download gpr2019_012_farewell_2012_maps_prn_format Plot files 1.4 G Read me
Download gpr2019_012_farewell_2012_databases_geosoft Linedata Geosoft format database 1.2 G Read me
Download gpr2019_012_farewell_2012_images_registered Image files 42.3 M Read me
Download gpr2019_012_farewell_2012_grids_geosoft Gridded data Geosoft format 299.9 M Read me
Download gpr2019_012_farewell_2012_grids_ermapper Gridded data ER Mapper 299.6 M Read me
Download gpr2019_012_farewell_2012_kmz Google Earth files 311.0 M Read me
Download gpr2019_012_farewell_2012_documents Adobe PDF files 32.2 M Read me
Download gpr2019_012_farewell_2012_maps_pdf_format Adobe PDF files 2.2 G Read me
Download gpr2019_012_farewell_2012_profiles_stacked Adobe PDF files 435.8 M Read me
Download gpr2019_012_farewell_2012_ascii_data ASCII tabular files 634.8 M Read me


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