Found 9 datasets matching filters.
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The San Luis Valley and associated underlying basin of south-central Colorado and north-central New Mexico is the largest structural and hydrologic basin of the Rio Grande Rift and fluvial system....
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The Weldona 7.5' quadrangle is located on the semiarid plains of northeastern Colorado, along the South Platte River corridor where the river has incised into Upper Cretaceous Pierre Shale. The...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The Leadville North 7.5' quadrangle lies at the northern end of the Upper Arkansas Valley, where the Continental Divide at Tennessee Pass creates a low drainage divide between the Colorado and...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This geologic map provides new and compiled geologic mapping at 1:100,000-scale in the Fort Collins 30' x 60' quadrangle covering the northern Front Range and adjacent areas of Colorado.
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This digital map shows the geographic extent of rock stratigraphic units (formations) as compiled by Colton in 1976 under the Front Range Urban Corridor Geology Program. Colton used his own...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This release presents the GIS data (in GDB, shapefile, and e00 [coverage] formats) and metadata for a 1:24,000-scale geologic map of the Poncha Pass area in central Colorado. A...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
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, Fryingpan, and Eagle Rivers of...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
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, Colorado. The valley is structurally...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
The Fort Morgan 7.5' quadrangle is located on the semiarid plains of northeastern Colorado, along the South Platte River corridor where the river has incised into Upper Cretaceous Pierre Shale....
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03
