Grid exchange format

GXF (Grid eXchange File) is a standard ASCII file format for\nexchanging gridded data among different software systems. \nSoftware that supports the GXF standard will be able to import\nproperly formatted GXF files and export grids in GXF format.
This category is also used for GXF.
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National geophysical data grids; gamma-ray, gravity, magnetic, and topographic data for the conterminous United States

Gridded geophysical data in a variety of formats.

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Ohio complete bouguer gravity anomaly grid

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Ohio magnetic anomaly grid at flight altitude of 1000 feet above ground

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Preliminary grid data and maps for an aeromagnetic survey of the Taylor Mountains quadrangle and a portion of the Bethel quadrangle, Alaska

Preliminary data (grids and images) and maps for a new aeromagnetic survey

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A helicopter-borne magnetic survey over Dixie Valley geothermal field, Nevada

Gridded data from helicopter study of shallow geologic structures

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A Review of Aeromagnetic Anomalies in the Sawatch Range, Central Colorado

The report contains digital data, primarily a layer of polygons linked to records summarizing previous interpretations of aeromagnetic anomalies. Data are presented in updated format for input to a GIS, standard graphics software, or map-plotting package.

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Aeromagnetic data centered over Skelton Neve, Antarctica

Gridded aeromagnetic and ground-based gravity station data

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Aeromagnetic survey of the Amargosa desert, Nevada and California

Grid data files along with maps in PDF and PostScript accompany this report

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Aeromagnetic surveying in Wisconsin 1977-98

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Aeromagnetic surveying in Wisconsin 1998-99

Aeromagnetic flight-line measurements and gridded anomaly data

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Aeromagnetic, gravity anomaly, and derivative maps of the Craig and Dixon Entrance 1°x3° quadrangles of southeastern Alaska

A simplified geologic map, raw gravity and magnetic data, with derivative products including depth-to-source and rock densities, with limited interpretations of the underlying geology, structures, and mineral resources.

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An aeromagnetic survey in Yellowstone National Park

Grids of total magnetic intensity for the park

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An interpretation of the 1997 airborne electromagnetic (AEM) survey, Fort Huachuca vicinity, Cochise County, Arizona

Grids and flight-line magnetic and conductivity data

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Arizona aeromagnetic and gravity maps and data

Aeromagnetic surveys of Arizona, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Arkansas and Louisiana aeromagnetic and gravity maps and data

Aeromagnetic surveys of Arkansas and Louisiana, merged to form seamless grids across the states. Gravity anomaly data are provided as well.

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Candidate-penetrative-fracture mapping of the Grand Canyon area, Arizona, from spatial correlation of deep geophysical features and surficial lineaments

Includes a wide variety of geological and geophysical data: geologic, aeromagnetic, and gravity maps with SLAR, DEM, TM, and NDVI imagery.

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Central west Antarctica aeromagnetic data

Grids and map images for separate surveys and combined compilation

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Colorado aeromagnetic and gravity maps and data

Aeromagnetic surveys of Colorado, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Composite and merged aeromagnetic data for Alaska

Magnetic anomaly expressed in grids with regular spacing derived from 85 separate surveys and provided in several different formats.

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Digital aeromagnetic data and derivative products from a helicopter survey over the town of Blanca and surrounding areas, Alamosa and Costilla Counties, Colorado

Flight-line data, grids, and images derived from them

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Digital aeromagnetic data and derivative products from a helicopter survey over the town of Taos and surrounding areas, Taos County, New Mexico.

Flight-line data, grids, and images derived from them

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Digital aeromagnetic data from the Sandoval-Santa Fe, Belen, and Cochiti airborne survey, covering areas in Rio Arriba, Sandoval, Santa Fe, Socorro, and Valencia Counties, New Mexico

Grids and flight-line data for three airborne geophysical surveys

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Digital data and derivative products from a high-resolution aeromagnetic survey of the central San Luis basin, covering parts of Alamosa, Conejos, Costilla, and Rio Grande Counties, Colorado, and Taos County, New Mexico

Digital data, image files, and text files describing data formats and survey procedures for aeromagnetic data collected during a high-resolution aeromagnetic survey in southern Colorado and northern New Mexico during October, 2004

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Digital data from the Great Sand Dunes airborne gravity gradient survey, south-central Colorado

Flight-line data and gravity grids with documentation.

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Digital data from the Great Sand Dunes and Poncha Springs aeromagnetic surveys, south-central Colorado

Two high-resolution aeromagnetic surveys in south-central Colorado compiled to assess the subsurface geologic framework of the San Luis basin for ground-water flow model construction, and to map concealed faults potentially related to geothermal resources

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Digital data from the northeast Tusas Mountains aeromagnetic survey, north-central New Mexico

Flight-line aeromagnetic observations with gridded data derived from them.

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Digital data from the Questa-San Luis and Santa Fe East helicopter magnetic surveys in Santa Fe and Taos Counties, New Mexico, and Costilla County, Colorado

Aeromagnetic data collected during an airborne geophysical survey.

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Digital data from the Taos West aeromagnetic survey in Taos county, New Mexico

Digital data, image files, and text files describing data formats and survey procedures for an aeromagnetic survey covering the southwestern portion of Taos County west of the Town of Taos, New Mexico, conducted in October, 2006

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Gamma-ray, magnetic, and topographic data for parts of the Colorado Front Range

Five geospatial grids from the NURE surveys, showing potassium, uranium, and thorium concentration, residual magnetic field, and digital elevation.

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Georgia aeromagnetic and gravity maps and data

Aeromagnetic surveys of Georgia, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Gravity, magnetic, and physical property data in the Smoke Creek Desert area, Northwest Nevada

Aerial, truck-towed, and hand-held magnetometer measurements, gravity station data, and sample density and magnetic susceptibility measures

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Helicopter electromagnetic and magnetic survey data and maps, Seco Creek area, Medina and Uvalde Counties, Texas

Airborne geophysical data and a summary of the hydrologic application.

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Helicopter electromagnetic data from Everglades National Park and surrounding areas, Florida, collected 9-14 December 1994

Survey to determine location of the freshwater-saltwater boundary in a coastal area.

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High resolution, low altitude aeromagnetic and electromagnetic survey of Mount Rainier

Flight-line and gridded data, with description of methodology and interpretation

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Merged aeroradiometric data for Alaska

Gridded data from aeroradiometric surveys of Alaska.

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Merged digital aeromagnetic data for the middle Rio Grande and southern Española Basins, New Mexico

Gridded data and images

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Montana aeromagnetic and gravity maps and data

Aeromagnetic surveys of Montana, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Nebraska, Kansas, and Oklahoma aeromagnetic and gravity maps and data

Aeromagnetic surveys of Nebraska, Kansas, and Oklahoma, merged to form seamless grids across the states. Gravity anomaly data are provided as well.

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New England states aeromagnetic and gravity maps and data

Aeromagnetic surveys of New England, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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New Jersey aeromagnetic and gravity maps and data

Aeromagnetic surveys of New Jersey, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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New Mexico aeromagnetic and gravity maps and data

Aeromagnetic surveys of New Mexico, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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North Dakota aeromagnetic and gravity maps and data

Aeromagnetic surveys of North Dakota, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Puget Sound (Washington) aeromagnetic maps and data

Gridded data and maps for individual quadrangles and for the entire compilation

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Seven aeromagnetic surveys in California and Nevada

Grid and flight-line data files provided by the geophysical survey contractors.

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Six aeromagnetic surveys in California, Nevada, and Arizona

Grid and flight-line data files provided to USGS by contract geophysical surveyors

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Six aeromagnetic surveys in Nevada and California

Gridded data for aeromagnetic surveys with contractors' reports describing the data collection

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South Carolina aeromagnetic and gravity maps and data

Aeromagnetic surveys of South Carolina, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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South Dakota aeromagnetic and gravity maps and data

Aeromagnetic surveys of South Dakota, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Texas magnetic and gravity maps and data

Aeromagnetic surveys of Texas, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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Utah aeromagnetic and gravity maps and data

Aeromagnetic surveys of Utah, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Virginia aeromagnetic and gravity maps and data

Aeromagnetic surveys of Virginia, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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Washington aeromagnetic maps and data:

Aeromagnetic surveys of Washington state, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Wisconsin aeromagnetic and gravity maps and data

Aeromagnetic surveys of Wisconsin, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Wyoming aeromagnetic and gravity maps and data

Aeromagnetic surveys of Wyoming, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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