Open-File Report 2009-1256

 

 

 

U.S. Department of the Interior

U.S. Geological Survey

Abstract

U.S. Geological Survey Open-File Report 2009-1256 is for the preliminary release of magnetic data (and associated contractor reports) for an airborne survey in the Brooks Range, northwest of Bettles, Alaska.

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Introduction

An airborne magnetic survey was completed over an area located northwest of Bettles, Alaska in the Brooks Range. The survey was done by Excel Geophysics, Inc. on behalf of the U.S. Geological Survey (USGS). The project area covered the Howard Pass 1:250,000 scale quadrangle and the East half of the Misheguk Mountain 1:250,000 scale quadrangle. Data acquisition was conducted from June 10, 2008, to August 29, 2008, with a total of 15,548.4 km (9,661.3 mi) flown during the survey. Survey parameters include a flight-line spacing of 1,600 m (1 mi) north-south, tie-line spacing of 8 km (5 mi) east-west and a flying height of 304 m (1,000 ft) drape above ground.

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Merged Aeromagnetic Anomaly Image of Alaska

Click here or on image above to enlarge location image and download reports, data, and map images.

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