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Data Series 411

Michigan Magnetic and Gravity Maps and Data: A Website for the Distribution of Data

By David L. Daniels, Robert P. Kucks, Patricia L. Hill, and Stephen L. Snyder

Composite aeromagnetic anomaly map of Michigan

Introduction This web site provides the best available, public-domain, aeromagnetic and gravity data in the State of Michigan and merges these data into composite grids that are available for downloading. The magnetic grid is compiled from 25 separate magnetic surveys that have been knit together to form a single composite digital grid and map. The magnetic survey grids have been continued to 305 meters (1,000 feet) above ground and merged together to form the State compilation.  A separate map shows the location of the aeromagnetic surveys, color-coded to the survey flight-line spacing. In addition, a complete Bouguer gravity anomaly grid and map were generated from more than 20,000 gravity station measurements from 33 surveys. A table provides the facts about each gravity survey where known.


Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

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Revised March 7, 2018

Posted March 2009


Suggested citation:

Daniels, D.L., Kucks, R.P., Hill, P.L., and Snyder, S.L., 2009, Michigan magnetic and gravity maps and data—A website for distribution of data: U.S. Geological Survey Data Series 411 available only online at https://pubs.usgs.gov.ds/ds411.

For more information about this report contact: Steve Snyder.

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Page Last Modified: Wednesday, March 07, 2018, 12:04:06 PM