Geology and Ground-water Chemistry, Curlew Valley, Northwestern Utah and South-Central Idaho, Implications for Hydrogeology

Geology and Ground-water Chemistry, Curlew Valley, Northwestern Utah and South-Central Idaho, Implications for Hydrogeology PDF

Author: Hugh A. Hurlow

Publisher: Utah Geological Survey

Published: 2008

Total Pages: 191

ISBN-13: 1557917973

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This report (185 pages and 2 plates) presents new and compiled geologic, geophysical, hydrologic, and hydrochemical data to delineate the regional ground-water flow system in Curlew Valley. Decreased precipitation combined with increased agricultural pumping in the central part of Curlew Valley since the late 1960s caused a steady decline in discharge at the Locomotive Springs complex. The report includes a compiled geologic map of the Curlew Valley surface-drainage basin at 1:100,000 scale and new geologic and hydrochemical data.

The Geology of the Central Virgin River Basin, Southwestern Utah, and Its Relation to Ground-water Conditions

The Geology of the Central Virgin River Basin, Southwestern Utah, and Its Relation to Ground-water Conditions PDF

Author: Hugh A. Hurlow

Publisher: Utah Geological Survey

Published: 1998-01-01

Total Pages: 65

ISBN-13: 1557916144

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This report describes the geology of the central Virgin River basin in southwestern Utah, and characterizes the structure and lithology of the Jurassic Navajo Sandstone and the thickness and stratigraphy of Quaternary-late Tertiary unconsolidated deposits, the two main aquifers in the region. Southwestern Utah has experienced rapid population growth and increased demand on water supplies during the past 15 years, and the purpose of this report is to better define the ground-water resources of the area. Ground water provides approximately half of the public water supply in southwestern Utah, so future decisions regarding water use must be based on careful geologic characterization of the aquifers and their relation to the regional hydrologic system. The results of this study will be applied to ground-water modeling, evaluating regional and local hydrogeologic conditions, and assessing sites for development of ground water. 53 pages + 7 plates

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