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Southern Dishna River Geophysical Survey

The Southern Dishna River survey is one of several geophysical surveys, collectively known as the Five Spot project (Southern Dishna River, Beaver Creek, and Fox Hills surveys), located in the Iditarod-Innoko and Aniak mining districts, which is about 575 km southwest from Fairbanks, Alaska. Frequency domain electromagnetic and magnetic data were collected with the DIGHEMV system from September to November 2012. A total of 4546.9 line kilometers were collected covering 1614.9 square kilometers for the Southern Dishna River survey. 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 sdishna_2012_vector_data Vector data 113.6 M Read me
Download sdishna_2012_maps_prn_format Plot files 538.1 M Read me
Download sdishna_2012_databases_geosoft Linedata Geosoft format database 434.1 M Read me
Download sdishna_2012_images_registered Image files 64.1 M Read me
Download sdishna_2012_grids_geosoft Gridded data Geosoft format 191.3 M Read me
Download sdishna_2012_grids_ermapper Gridded data ER Mapper 210.1 M Read me
Download sdishna_2012_kmz Google Earth files 94.1 M Read me
Download sdishna_2012_documents Adobe PDF files 26.2 M Read me
Download sdishna_2012_maps_pdf_format Adobe PDF files 515.7 M Read me
Download sdishna_2012_profiles_stacked Adobe PDF files 210.6 M Read me
Download sdishna_2012_ascii_data ASCII tabular files 1.5 G Read me


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