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Ladue Geophysical Survey

The Ladue electromagnetic and magnetic airborne geophysical survey is located in eastern Alaska in the Fortymile mining district, about 325 kilometers southeast of Fairbanks. Frequency domain electromagnetic and magnetic data were collected with the DIGHEMV system in August 2010. A total of 5471.1 line kilometers were collected covering 1928.9 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. The survey data were aquired and/or processed by Fugro Airborne Surveys Corp. and Fugro GeoServices, Inc. and administered by the Alaska Geological & Geophysical Surveys (DGGS).

Available Data Metadata Overview
File Name Data File Format File Size Info
Download ladue_2010_video_flightpath Video 32.4 G Read me
Download ladue_2010_vector_data Vector data 346.8 M Read me
Download ladue_2010_maps_prn_format Plot files 645.1 M Read me
Download ladue_2010_databases_geosoft Linedata Geosoft format database 194.1 M Read me
Download ladue_2010_images_registered Image files 80.1 M Read me
Download ladue_2010_grids_geosoft Gridded data Geosoft format 243.2 M Read me
Download ladue_2010_grids_ermapper Gridded data ER Mapper 240.1 M Read me
Download ladue_2010_kmz Google Earth files 72.1 M Read me
Download ladue_2010_documents Adobe PDF files 10.6 M Read me
Download ladue_2010_maps_pdf_format Adobe PDF files 174.1 M Read me
Download ladue_2010_profiles_stacked Adobe PDF files 204.3 M Read me
Download ladue_2010_ascii_data ASCII tabular files 1.4 G Read me


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