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#1 State

Quaternary Geology Line Features

Organization: State of Connecticut
Dataset Last Updated: February 19, 2021

See full Data Guide here. Quaternary Geology Feature Set is 1:24,000-scale data that illustrates the geologic features formed in Connecticut during the Quaternary Period, which spans from 2.588 ±...

Search relevance: 168.05 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:40 PM

#2 Federal

Bedrock geologic map database for the Aztec 1-degree x 2-degree quadrangle, northern New Mexico and southern Colorado

Organization: Department of the Interior
Dataset Last Updated: September 05, 2024 at 12:00 AM

This data release presents geologic map data for the bedrock geology of the Aztec 1-degree by 2-degree quadrangle, New Mexico. Geologic mapping incorporates new interpretive contributions and...

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Search relevance: 42.53 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:07 PM

#3 Federal

Bedrock geologic map database for the Blanca Peak, Walsenburg, Trinidad, and Alamosa 30' x 60' quadrangles, Colorado

Organization: Department of the Interior
Dataset Last Updated: June 25, 2024 at 12:00 AM

This data release presents geologic map data for the bedrock geology of the Blanca Peak, Walsenburg, Trinidad, and Alamosa 30' x 60' quadrangles, Colorado. Geologic mapping incorporates new...

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Search relevance: 42.10 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 09:48 PM

#4 Federal

Unpublished Digital Quaternary Geologic Map of Aniakchak National Monument and Preserve and Vicinity, Alaska (NPS, GRD, GRI, ANIA, ASUR digital map) adapted from a U.S. Geological Survey unpublished digital data map by Wilson, F.H. (2008)

Organization: Department of the Interior
Dataset Last Updated: May 26, 2015 at 12:00 AM

The Unpublished Digital Quaternary Geologic Map of Aniakchak National Monument and Preserve and Vicinity, Alaska is composed of GIS data layers and GIS tables in a 10.1 file geodatabase...

Search relevance: 35.14 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:18 PM

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Quaternary Geology Line Features

Bedrock geologic map database for the Aztec 1-degree x 2-degree quadrangle, northern New Mexico and southern Colorado

Bedrock geologic map database for the Blanca Peak, Walsenburg, Trinidad, and Alamosa 30' x 60' quadrangles, Colorado

Unpublished Digital Quaternary Geologic Map of Aniakchak National Monument and Preserve and Vicinity, Alaska (NPS, GRD, GRI, ANIA, ASUR digital map) adapted from a U.S. Geological Survey unpublished digital data map by Wilson, F.H. (2008)