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Federal
Data release for the geologic map of the upper Arkansas River valley region, north-central Colorado
Department of the Interior —
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida,... -
State
Stratigraphic and electron microprobe data for Holocene tephra from Makushin Volcano, Alaska, and for interbedded tephra from other volcanoes located among or near the islands of the eastern Aleutians
State of Alaska —
Stratigraphic and electron microprobe data for Holocene tephra from Makushin Volcano, Alaska, and for interbedded tephra from other volcanoes located among or near... -
State
Geologic map of the West Susitna area, parts of the Tyonek C-3, C-4, D-4, and D-5 quadrangles, Alaska
State of Alaska —
Geologic map of the West Susitna area, parts of the Tyonek C-3, C-4, D-4, and D-5 quadrangles, Alaska, Preliminary Interpretive Report 2026-1, prevents surficial and... -
State
The central Kuskokwim region, Alaska
State of Alaska —
The central Kuskokwim region, Alaska, Professional Paper 268, synthesizes the geology, ecology, and mineral resources of Alaska's central Kuskokwim region. Located... -
State
Geologic map of the Big Delta A-4 Quadrangle, Alaska
State of Alaska —
This map illustrates extents and types of unconsolidated deposits and bedrock in the Big Delta A-4 Quadrangle, Alaska. This map is based on field observations begun... -
State
Geologic map of the Mount Edgecumbe volcanic field, Kruzof Island, southeastern Alaska
State of Alaska —
Geologic map of the Mount Edgecumbe volcanic field, Kruzof Island, southeastern Alaska, Miscellaneous Investigations Series Map 1983, provides 1:63,360 geologic... -
Federal
Glacial Environments and Surficial Sediments (GESS) Geodatabase for the Glaciated, Conterminous United States
Department of the Interior —
The GESS data includes polygon file with multiple attributes which describe the lithology, geomorphology, and related depositional environment of Quaternary-age... -
State
Quaternary Geology Geologic Basin Boundary
State of Connecticut —
Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and... -
State
Surficial geology of the lower Pilgrim Valley and vicinity, western Seward Peninsula, Alaska
State of Alaska —
Surficial geology of lower Pilgrim Valley and vicinity, western Seward Peninsula, Alaska, Alaska Open-File Report 140, presents the results of surficial geologic... -
State
Surficial Aquifer Texture
State of Connecticut —
Surficial Aquifer Texture Map was prepared from the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S.... -
State
Field station locations and magnetic susceptibility data collected in 2022 for the Mount Harper project, Eagle, Big Delta, and Mount Hayes quadrangles, Alaska
State of Alaska —
Field station locations and magnetic susceptibility data collected in 2022 for the Mount Harper project, Eagle, Big Delta, and Mount Hayes quadrangles, Alaska, Raw... -
State
Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska
State of Alaska —
Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska, Preliminary Interpretive Report 2015-6, presents 1:50,000 scale geologic... -
State
Geologic map of the Iditarod D-2 and eastern D-3 quadrangles, Alaska
State of Alaska —
Geologic map of the Iditarod D-2 and eastern D-3 quadrangles, Alaska, Geologic Report 72, provides 1:63,360-scale geologic mapping of the Beaver Mountains and the... -
State
Geologic map of the Iditarod C-3 Quadrangle, Alaska
State of Alaska —
Geologic map of the Iditarod C-3 Quadrangle, Alaska, Professional Report 96, provides 1:63,360 geologic mapping of the Iditarod C-3 Quadrangle. The Iditarod C-3... -
State
Quaternary Geology LIS Channel-Fill Deposits
State of Connecticut —
Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in... -
State
Geology of the Cobblestone Creek-May Creek area, east-central Brooks Range Foothills, Alaska
State of Alaska —
Geology of the Cobblestone Creek-May Creek area, east-central Brooks Range Foothills, Alaska, Preliminary Interpretive Report 2009-5, presents a 1:63,360 scale... -
State
Surficial-geologic map of the northern Fairbanks mining district, Circle Quadrangle, Alaska
State of Alaska —
Surficial-geologic map of the northern Fairbanks mining district, Circle Quadrangle, Alaska, Report of Investigation 2011-4, shows the distribution of unconsolidated... -
State
Geology and geologic hazards in the Whittier area, Southcentral Alaska
State of Alaska —
Geology and geologic hazards in the Whittier area, Southcentral Alaska, Preliminary Interpretive Report 2024-10, presents mapping of surficial and bedrock geology and... -
State
Surficial Geologic Map of Vermont, 1970 - Units
Vermont Center for Geographic Information —
The GeologicSurficial_SURFICIAL data consists of surficial geologic features as digitized from the 1:62,500 15 minute series USGS quadrangle map sheets, compiled by... -
State
Surficial Materials
State of Connecticut —
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H....