Nevada Isostatic Gravity Grid

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A 2 kilometer Isostatic anomaly grid for the state of Nevada. Number of columns is 269 and number of rows is 394. The order of the data is from the lower left to the right and then up one row.

Utah Bouguer Gravity Grid

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A 2.5 kilometer Bouguer anomaly grid for the state of Utah. Number of columns is 196 and number of rows is 245. The order of the data is from the lower left to the right and then up one row.

Maine Bouguer Gravity Grid

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A 2 kilometer Bouguer anomaly grid for the state of Maine. Number of columns is 197 and number of rows is 292. The order of the data is from the lower left to the right and then up one row.

SEG US Bouguer Gravity Anomaly Grid

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The SEG gravity data are the product of the ad hoc Gravity Anomaly Map (GAM) Committee, sponsored by the Society of Exploration Geophysicists (SEG) and the U.S. Geological Survey (USGS). The committee co-chairmen were Paul L. Lyons and Norbert W. O'Hara.

Ohio Bouguer Gravity Grid

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A 2 kilometer Bouguer anomaly grid for the state of Ohio. Number of columns is 187 and number of rows is 217. The order of the data is from the lower left to the right and then up one row.

Bouguer Gravity Grid for Idaho

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A 2.5 kilometer Bouguer anomaly grid for the state of Idaho. Number of columns is 215 and number of rows is 320. The order of the data is from the lower left to the right and then up one row.

Haxby Worldwide Gravity Grid

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In 1985, Dr. William F. Haxby of the Lamont-Doherty Geological Observatory of Columbia University prepared this data base of free-air gravity anomalies, based on the radar altimetry of the SEASAT satellite mission in 1978.

DNAG Gravity Data

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The Decade of North American Geology (DNAG) gravity grid values, spaced at 6 km, were used to produce the Gravity Anomaly Map of North America (1987; scale 1:5,000,000). Considerable caution should be exercised when using these gridded data in regions of sparse coverage (for example, deep oceanic areas). The spatial distribution of the original data from which the grid was generated is shown on sheet 5 of the published map. Note: There are no gridded data values for Mexico.

Idaho Batholith Study Area Bouguer Gravity Grid

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A 2 kilometer Bouguer gravity anomaly grid for the Idaho batholith study area. Number of columns is 331 and number of rows is 285. The order of the data is from the lower left to the right and then up one row.

2.5-min gravity grid of N. America

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The dgrav gridded data set was produced by NGDC by regridding the Decade of North American (DNAG) 6-km gravity grid of N. America. A grid cell dimension of 2.5 minutes of longitude and latitude was used in this regridding process. In order to facilitate the comparison of the various regridded data, a geodetic reference system was used as the most suitable common coordinate frame.