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Open-File Report 2009-1256

Aeromagnetic Survey of Howard Pass Quadrangle and the East Half of Misheguk Mountain Quadrangle, Alaska—A Web Site for the Distribution of Data

By Philip J. Brown

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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.

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.

First posted March 5, 2012

For additional information contact:
USGS Crustal Geophysics and Geochemistry Science Center
Box 25046, Mail Stop 964
Denver, CO 80225

Part of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Brown, P.J., 2012, Aeromagnetic survey of Howard Pass quadrangle and the east half of Misheguk Mountain quadrangle, Alaska—A Web site for the distribution of data: U.S. Geological Survey Open-File Report 2009–1256.

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