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Data release for Surficial Geology of the Northern San Luis Valley, Saguache,...
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... -
Data release for Geologic Map of the Leadville North 7.5' quadrangle, Eagle a...
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... -
Data release for Geologic Map of the Poncha Pass Area, Chaffee, Fremont, and ...
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...