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Mineral Resources On-Line Spatial Data

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Geosoft grid format
A binary format for storing raster data typically used for geophysical data. Two files describe each grid (suffixes .grd and .grd.gi). The .gi file contains information about the coordinate reference system.
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Results 1 - 10 of 37 listed by similarity [list alphabetically]
National geophysical data grids; gamma-ray, gravity, magnetic, and topographic data for the conterminous United States [New Window]
Gridded geophysical data in a variety of formats.
Preliminary grid data and maps for an aeromagnetic survey of the Taylor Mountains quadrangle and a portion of the Bethel quadrangle, Alaska [New Window]
Preliminary data (grids and images) and maps for a new aeromagnetic survey
Aerial gamma-ray survey for parts of Cameron, Hildalgo, and Willacy Counties, Texas [New Window]
The USGS had an aerial survey flown over parts of Cameron, Hidalgo, and Willacy Counties in Texas. The aerial survey included measurements of the earth's magnetic field and of the radioactivity of the surface rocks and soils.
Aerial gamma-ray surveys in Alaska [New Window]
Measurements indicating abundance of radioactive elements in near-surface rocks. Grids and flight-line data from surveys flown 1976-1980.
Aerial gamma-ray, Landsat TM, and digital elevation data, Big Bend area, Texas [New Window]
This report presents the results of analyses and interpretation of aerial gamma-ray, Landsat TM, geologic, and digital elevation data of the Big Bend area in Texas.
Aerial magnetic, electromagnetic, and gamma-ray survey, Berrien county, Michigan [New Window]
Maps, grids, and flight-line databases of a detailed aerial survey and maps and grids of satellite data
Aeromagnetic and gravity data over the central Transantarctic Mountains (CTAM), Antarctica [New Window]
Gridded and tabular magnetic data and gravity station observations. Maps depicting the data are included in the report.
Aeromagnetic and gravity surveys in Afghanistan [New Window]
Collection of historical gravity and aeromagnetic data in Afghanistan (1911 through 1967)
Aeromagnetic data centered over Skelton Neve, Antarctica [New Window]
Gridded aeromagnetic and ground-based gravity station data
Aeromagnetic map for the state of Idaho [New Window]
Aeromagnetic surveys of Idaho, merged to form seamless grids across the state. Data provided in a variety of formats.
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