Author Search Results

Geologic and hydrostratigraphic map of the Anhalt, Fischer, and Spring Branch 7.5-minute quadrangles, Blanco, Comal, and Kendall Counties, Texas

by Clark, Allan K.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2015

Description: 1 online resource (1 map) : color + 1 pamphlet (iv, 12 pages).

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Map

Geodatabase and characteristics of springs within and surrounding the Trinity Aquifer Outcrops in Northern Bexar County, Texas, 2010-11

by Clark, Allan K.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2013

Description: 1 online resource (iv, 20 pages) : color illustrations.

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eBook

Geology and hydrostratigraphy of Guadalupe River State Park and Honey Creek State Natural Area, Kendall and Comal Counties, Texas

by Clark, Allan K.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2014

Description: 1 online resource (1 map) : color + 1 pamphlet (iv, 8 pages).

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Map

Geologic framework, structure, and hydrogeologic characteristics of the Knippa Gap area in eastern Uvalde and western Medina Counties, Texas

by Clark, Allan K.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2013

Description: 1 online resource (vii, 35 pages) : color illustrations, color maps.

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eBook

Bedrock geology and hydrostratigraphy of the Edwards and Trinity aquifers within the Driftwood and Wimberley 7.5-minute quadrangles, Hays and Comal Counties, Texas

by Clark, Allan K.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2017

Description: 1 online resource (1 map) : color + 1 pamphlet (iv, 12 pages : color illustrations).

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Map

Geologic framework of the Edwards aquifer and upper confining unit, and hydrogeologic characteristics of the Edwards aquifer, south-central Uvalde County, Texas

by Clark, Allan K.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 1997

Description: iii, 11 pages : maps (some color) ; 28 cm.

Book

Vulnerability of ground water to contamination, Edwards aquifer recharge zone, Bexar County, Texas, 1998

by Clark, Allan K.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 2000

Description: iii, 9 pages : illustrations (some color), maps (some color) ; 28 cm.

Book

Geologic framework and hydrogeologic characteristics of the Edwards aquifer, Uvalde County, Texas

by Clark, Allan K.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Information Services [distributor], 2003

Description: iii, 17 pages : color illustrations, color maps ; 28 cm.

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Book

Geologic framework and hydrogeologic features of the Glen Rose Limestone, Camp Bullis training site, Bexar County, Texas

by Clark, Allan K.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Information Services [distributor], 2003

Description: iii, 9 pages : maps ; 28 cm.

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Book

Flow paths in the Edwards aquifer, northern Medina and northeastern Uvalde Counties, Texas, based on hydrologic identification and geochemical characterization and simulation

by Clark, Allan K.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2006

Description: v, 48 pages : digital, PDF file.

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Electronic

Geologic framework and hydrogeologic characteristics in the southern part of the Rancho Diana Natural Area, northern Bexar County, Texas, 2008-10

by Clark, Allan K.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2011

Description: 1 online resource (v, 19 pages) : color illustrations, color maps.

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eBook

Geologic framework and hydrostratigraphy of the Edwards and Trinity Aquifers within Hays County, Texas

by Clark, Allan K.,
Published: U.S. Geological Survey, 2018

Description: 1 map : color ; 78 x 63 cm, on sheet 92 x 122 cm + pamphlet (vi, 11 pages ; 28 cm).

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Map

Vulnerability of ground water to contamination, Edwards aquifer recharge zone, Bexar County, Texas, 1998

by Clark, Allan K.,
Published: U.S. Deptartment of the Interior, U.S. Geological Survey, 2000

Description: 1 online resource (iii, 9 pages) : illustrations (some color), map.

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eBook

Geologic framework of the Edwards aquifer and upper confining unit, and hydrogeologic characteristics of the Edwards Aquifer, south-central Uvalde County, Texas

by Clark, Allan K.,
Published: U.S. Geological Survey, 1997

Description: 1 online resource (iii, 11 pages) : maps + 1 plate.

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eBook

Groundwater levels and water-quality observations pertaining to the Austin Group, Bexar County, Texas, 2009-11

by Banta, J. Ryan
Published: U.S. Department of the Interior, U.S. Geological Survey, 2012

Description: 1 online resource (iv, 18 pages) : color illustrations.

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eBook

Characterizing the subsurface geology in and around the U.S. Army Camp Stanley Storage Activity, south-central Texas

by Blome, Charles D.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2018

Description: 1 online resource (6 unnumbered pages) : color illustrations, color map.

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eBook

Geologic framework and hydrogeologic characteristics of the Glen Rose limestone, Camp Stanley Storage Activity, Bexar County, Texas

by Geological Survey (U.S.)
Published: U.S. Geological Survey ; For sale by USGS Information Services, 2004

Description: 1 map : color ; 26 x 16 cm, on sheet 61 x 92 cm, folded in envelope 30 x 24 cm.

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Map

Geologic framework and hydrogeologic characteristics of the Edwards Aquifer outcrop, Medina County, Texas

by Small, Ted A.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2000

Description: 1 online resource (iii, 10 pages) : maps + 1 plate.

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eBook

Geologic framework and hydrostratigraphy of the Edwards and Trinity Aquifers within Hays County, Texas

by Geological Survey (U.S.),
Published: U.S. Department of the Interior, U.S. Geological Survey, 2018

Description: 1 online resource (1 map) : color + 1 pamphlet (vi, 11 pages).

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Map

Geologic map of the Edwards Aquifer in northern Medina and northeastern Uvalde Counties, south-central Texas

Version 1.0.

Published: U.S. Geological Survey, 2007

Description: 1 electronic map : HTML, digital, PDF file.

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Electronic

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