-
Federal
Data release for Geologic Map of the Homestake Reservoir 7.5' quadrangle, Lake, Pitkin, and Eagle Counties, Colorado
Department of the Interior —
The Homestake Reservoir 7.5' quadrangle lies at the northwestern end of the Upper Arkansas Valley, and headwaters of the Arkansas River, and the Roaring Fork,... -
State
Preliminary Derivative Geologic Materials Map of the Fairbanks Mining District, Alaska
State of Alaska —
This map illustrates potential near-surface sources of geologic materials that may be useful for construction and other purposes. Field observations indicate that... -
State
Major-oxide, minor-oxide, and trace-element geochemical data from rocks and stream sediments in the Wrangellia mineral assessment area, Gulkana, Healy, Mount Hayes, and Talkeetna Mountains quadrangles, Alaska
State of Alaska —
Mineral-resources geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a helicopter-supported geological and geochemical... -
State
Geochemical, major-oxide, minor-oxide, trace-element and carbon data from rocks collected in 2011 in the Moran area, Tanana and Melozitna Quadrangles, Alaska
State of Alaska —
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geologic field survey, including mapping and sampling in... -
Federal
Geologic Map geodatabase of the valley corridor of the 59-mile reach of the Missouri National Recreational River, South Dakota, Nebraska, and Iowa: Gavins Point Dam to North Sioux City
Department of the Interior —
This geologic map area of 5,430 km2 spans a reach of the lower Missouri River valley and adjoining uplands for about 100 kilometers east of Gavins Point Dam, the... -
State
Geology and mineral resources of the Russian Mission C-1 Quadrangle, southwest Alaska
State of Alaska —
Geology and mineral resources of the Russian Mission C-1 Quadrangle, southwest Alaska, Professional Report 109, presents a geologic map of the Russian Mission C-1... -
Federal
Data Used to Assess the Hydrogeologic Framework with Emphasis on the Ogallala and Edwards-Trinity Aquifers, in and Near Gaines, Terry, and Yoakum Counties, Texas, 2018
Department of the Interior —
More than 11,500 well records, such as geophysical logs, drilling descriptions, and published hydrogeologic framework information, were evaluated to help characterize... -
State
40Ar/39Ar data from the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska
State of Alaska —
This report presents 40Ar/39Ar step-heating geochronology results for igneous and metamorphic rocks from the Alaska Division of Geological & Geophysical Surveys'... -
State
Preliminary characterization of two coals from the upper Prince Creek Formation, Sagwon Bluffs, North Slope, Alaska
State of Alaska —
In July of 2018, the Alaska Division of Geological & Geophysical Surveys (DGGS) studied and sampled the coal beds within the upper section of the Prince Creek... -
State
Geologic map of the Styx River area, Lime Hills C-1 Quadrangle, Western Alaska Range, Alaska
State of Alaska —
Report of Investigation 2020-3, Geologic map of the Styx River area, Lime Hills C-1 Quadrangle, Western Alaska Range, Alaska, presents a 1:63,360-scale geologic map... -
Federal
Digital database of the previously published Geologic map of the Limon quadrangle, Colorado and Kansas
Department of the Interior —
This digital data release contains geospatial geologic and paleontological data of the 1° x2 °, 1:250,000 Limon quadrangle covering eastern Colorado and western... -
Federal
Hydrologic and geophysical data from high-elevation boreholes in Redwell Basin near Crested Butte, Colorado: Hydrologic monitoring data
Department of the Interior —
Boreholes were drilled in 2017 and 2018 in Redwell Basin, a headwater catchment underlain by hydrothermally altered sedimentary rock in the Elk Mountains near the... -
State
Geology and ore deposits of the central York Mountains, western Seward Peninsula, Alaska
State of Alaska —
Bulletin 1287, Geology and ore deposits of the central York Mountains, western Seward Peninsula, Alaska, provides (1:63,360-scale) geologic mapping of parts of the... -
State
Geologic map of portions of the Livengood B-3, B-4, C-3, and C-4 quadrangles, Tolovana mining district, Alaska
State of Alaska —
Geologic map of portions of the Livengood B-3, B-4, C-3, and C-4 quadrangles, Tolovana mining district, Alaska, Report of Investigation 2016-5, presents a geologic... -
State
Bedrock geologic map of the Eagle A-1 Quadrangle, Fortymile mining district
State of Alaska —
Geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted field investigations and geochemical rock sampling during the 1999, 2000,... -
State
Geologic map of the south-central Sagavanirktok Quadrangle, North Slope, Alaska
State of Alaska —
Geologic map of the south-central Sagavanirktok Quadrangle, North Slope, Alaska, Report of Investigation 2014-4, presents 1:63,360-scale geologic mapping of the... -
State
Preliminary geologic map of parts of the Anchorage C-2, C-3, D-2, and D-3 quadrangles, Alaska
State of Alaska —
Preliminary geologic map of parts of the Anchorage C-2, C-3, D-2, and D-3 quadrangles, Alaska, Report of Investigation 83-10,RI 83-10 presents 1:25,000-scale geologic... -
State
Preliminary geologic map and data tables of the Ophir C-1 and western Medfra C-6 quadrangles, Alaska
State of Alaska —
Preliminary geologic map and data tables of the Ophir C-1 and western Medfra C-6 quadrangles, Alaska, Public Data File 97-46, presents preliminary geologic findings...