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Bethel Geophysical Survey

The airborne magnetic geophysical survey of the Bethel Basin, Alaska is located in the Bethel, Baird Inlet, Russian Mission, and Marshall quadrangles near the town of Bethel in southwest Alaska. Magnetic data were collected during October 1996 by Sanders Geophysics Ltd. and August 1994 by GEONEX Aero Service and its subsidiaries. A total of 20,915 line kilometers were collected covering 14,953 square kilometers. Line spacing was 800 meters (m). Data were collected using a fixed-wing aircraft with a median ground clearance of 90 m.

Available Data Metadata Overview
File Name Data File Format File Size Info
Download bethel_1996_vector_data Vector data 22.1 M Read me
Download bethel_1996_databases_geosoft Linedata Geosoft format database 101.1 M Read me
Download bethel_1996_images_registered Image files 53.5 M Read me
Download bethel_1996_grids_geosoft Gridded data Geosoft format 30.1 M Read me
Download bethel_1996_grids_ermapper Gridded data ER Mapper 42.1 M Read me
Download bethel_1996_kmz Google Earth files 80.1 M Read me
Download bethel_1996_documents Adobe PDF files 12.1 M Read me
Download bethel_1996_maps_pdf_format Adobe PDF files 292.1 M Read me
Download bethel_1996_ascii_data ASCII tabular files 131.1 M Read me


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