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United States Lithologic Log Database

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Type:	Resource
Storage:	The size of this resource is 285.1 MB
Created:	Jun 13, 2023 at 9:59 p.m. (UTC)
Last updated:	Aug 29, 2025 at 8:36 p.m. (UTC)
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Sharing Status:	Discoverable
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Abstract

Here we presented a detailed hydrogeological characterization of lithologic logs and their respective categorization into 15 broader hydrolithological categories. The paper has been submitted to Nature Communications, and the preprint is available on Earth ArXiv. DOI: https://doi.org/10.31223/X50Q8P

This dataset contains 3.7 million wells and 19.2 million lithologic log descriptions, systematically categorized into 15 major hydrolithologic groups. The classification was developed by identifying over 100,000 of the most common lithologic log descriptions and using them to categorize the remaining millions of well log descriptions. This framework provides a consistent basis for groundwater studies, hydrogeologic mapping, and large-scale modeling applications.

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

United State

North Latitude

49.9247°

East Longitude

-66.1816°

South Latitude

24.4896°

West Longitude

-125.9473°

Content

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Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
U.S. National Science Foundation	CAREER: How streamflow ages vary downstream along river courses	EAR-2048227
Zegar Family Foundation
U.S. National Science Foundation	CAREER: A convergent and transformative approach to understanding human access to groundwater and its impact on the hydrological cycle	EAR-2234213

How to Cite

GebreEgziabher, M., D. Perrone, S. Jasechko (2025). United States Lithologic Log Database, HydroShare, http://www.hydroshare.org/resource/e0628e13597249abae26cca13a8fb23c

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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