NPS

Federal land areas administered by NPS
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Results listed by similarity [list alphabetically]
Aerial gamma-ray, Landsat TM, and digital elevation data, Big Bend area, Texas

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.

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Quality of water and sediment in streams affected by historical mining, and quality of mine tailings, in the Rio Grande/Río Bravo basin, Big Bend area of the United States and Mexico, August 2002

Geochemical data for stream water, sediments, and mine tailings in this area

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Spatial databases for the geology of the Northern Rocky Mountains - Idaho, Montana, and Washington

The spatial databases represent the original content of 43 published geologic maps, provide normalized map unit descriptions, and provide additional information and interpretation not in the original reports.

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Relational database for the geology of the northern Rocky Mountains; Idaho, Montana, and Washington

Geologic map unit and lithologic descriptions used in Open File Report 2005-1235, with extensive bibliographic references to geologic literature that could not be included in the spatial database.

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An aeromagnetic survey in Yellowstone National Park

Grids of total magnetic intensity for the park

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Geologic and geophysical maps of the Death Valley ground-water model area, Nevada and California

Maps and geospatial data for (a) geology; (b) tectonics; (c) isostatic gravity anomaly; (d) aeromagnetic anomaly; (e) depth to pre-Cenozoic basement.

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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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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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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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Preliminary isostatic gravity map of Joshua Tree National Park and vicinity, southern California

Map with excel tables showing principal facts (gravity observation data).

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High-resolution gravity and seismic-refraction surveys of the Smoke Tree Wash area, Joshua Tree National Park, California

These data were acquired to determine the thickness of valley-fill deposits and to delineate geologic structures that might influence groundwater flow beneath this area.

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Principal facts for 408 gravity stations in the vicinity of the Talkeetna Mountains, south-central Alaska

Data collected as part of a geological and geophysical framework study

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Preliminary integrated geologic map databases for the United States: Digital data for the geology of Wrangell-Saint Elias National Park and Preserve, Alaska

GIS dataset for 'Geologic map of the Wrangell-Saint Elias National Park and Preserve, Alaska' USGS SIM 2877. The map area includes high mountains, active and ancient volcanoes, expansive ice fields, and alpine and tidewater glaciers.

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Geologic map of the Wrangell-Saint Elias National Park and Preserve, Alaska

Reconnaissance geologic map of the largest National Park in the US. Map area includes high mountains, active and ancient volcanoes, expansive ice fields, and alpine and tidewater glaciers. Kennecott Mine, a world-class copper deposit is located in the p

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Map showing geology, structure, and geophysics of the central Black Hills, South Dakota

This 1:100,000-scale digital geologic map details the complex early Proterozoic granitic rocks, early Proterozoic supracrustal metamorphic rocks, and Archean crystalline basement of the Black Hills.

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Hydrogeochemical investigations of historic mining districts, central western slope of Colorado, including influence on surface-water quality

Geochemical analysis of mine dumps, mill tailings, mine drainage, and surface waters indicate contamination from these historic mines is generally less than that asserted or suggested by some geochemical models

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Surficial geologic map of parts of the Misheguk Mountain and Baird Mountains quadrangles, Noatak National Preserve, Alaska

Primary surficial units are late Quaternary glacial, glacio-lacustrine, and fluvial deposits. Map and report include radiocarbon dates, geologic units.

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Geologic and fossil locality maps of the west-central part of the Howard Pass quadrangle and part of the adjacent Misheguk Mountain quadrangle, western Brooks Range, Alaska

This publication includes a bedrock geologic map depicting the complex allochthonous structure of an area along the north flank of the west-central Brooks Range. A compilation of new and previously reported macro- and micro-fossil identifications and a

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Surficial geologic map of the Hughes quadrangle, Alaska

A 1:250,000 scale surficial geologic map of the Hughes quadrangle, Alaska, which extends into the southern Brooks Range and the uplands and valleys of interior Alaska. The map includes glacial history, geologic unit descriptions, and a correlation of map

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Digital data for the geologic framework of the Alaska Peninsula, southwest Alaska, and the Alaska Peninsula Terrane

Geospatial data sets of the geology of the Alaska Peninsula, Alaska, including a geologic map and complete unit descriptions.

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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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Bedrock and soil geochemistry from Voyageurs National Park, Minnesota

Analyses to establish the background and baseline geochemistry for bedrock and soil in the region, and to determine terrestrial mercury sources and sinks in the park

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Bedrock soil and lichen geochemistry from Isle Royale National Park, Michigan

Geochemical analyses conducted as part of a larger study of the Midcontinent Rift in the Lake Superior region.

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Geologic Map of the Great Smoky Mountains National Park Region, Tennessee and North Carolina

Bedrock and surficial geologic units and structural features in this area

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Gravity and magnetic investigations of the Mojave National Preserve and adjacent areas, California and Nevada

Gravity station and rock physical property data used to infer geologic structure of the area

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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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Geospatial database for regional environmental assessment of central Colorado

Study focusing on the effects of historical mining on Forest Service lands in this area.

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