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Principal facts of regional gravity data in northeast Iowa Gravity data were collected from 2016 through 2018 to assist in mapping subsurface geology in northeastern Iowa. This data release provides principal facts for 1080 new gravity stations that were acquired to supplement existing public gravity data coverage. References cited: Blakely, R.J., 1995, Potential Theory in Gravity and Magnetic Applications, Cambridge University Press, 441 p. International Association of Geodesy, 1971, Geodetic reference system 1967: International Association of Geodesy Special Publication No. 3, 116 p. Morelli, C., ed., 1974, the International gravity standardization net 1971: International Association of Geodesy Special Publication no.4, 194 p. Plouff, Donald, 1977, Preliminary documentation... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Benton County, Black Hawk County, Bremer County, Buchanan County, Chickasaw County, All tags... Clayton County, Delaware County, Fayette County, Geophysics, Iowa County, Johnson County, Jones County, Linn County, Mineral Resources, Tama County, USGS Science Data Catalog (SDC), bouguer anomaly, free-air anomaly, geoscientificInformation, gravimeter measurement, gravitational field (earth), isostatic anomaly, Fewer tags