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Authors (1-6 of 6)
Mcmahon Peter B
1
E-Book/E-Doc
 

Overview of groundwater quality in the Piceance Basin, western Colorado, 1946-2009


Thomas, Judith Coffman, 1972-, author.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013. 2013

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  I 19.42/4-4:2012-5198    ---  Available
2
E-Book/E-Doc
 

Preliminary assessment of sources of nitrogen in groundwater at a biosolids-application area near De


Yager, Tracy J. B., author.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012. 2012

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  I 19.42/4-4:2012-5056    ---  Available
3
E-Book/E-Doc
 

Redox conditions in selected principal aquifers of the United States



[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2009] 2009

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 Axe Federal Documents Online  I 19.127:2009-3041    ---  Available
4
Print Material
 

Use of classes based on redox and groundwater age to characterize the susceptibility of principal aq


McMahon, Peter B., author.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012. 2012

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  I 19.42/4-4:2012-5220    ---  Available
5
E-Book/E-Doc
 

Use of diverse geochemical data sets to determine sources and sinks of nitrate and methane in ground


McMahon, Peter B.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011. 2011

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 Axe Federal Documents Online  I 19.42/4-4:2010-5215    ---  Available
6
E-Book/E-Doc
 

Vertical gradients in water chemistry and age in the northern High Plains Aquifer, Nebraska, 2003


McMahon, Peter B.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007. 2007

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  I 19.42/4-4:2006-5294    ---  Available
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