P B McMahon

5 books

Mar 1, 2013
Cover of Use of Diverse Geochemical Data Sets to Determine Sources and Sinks of Nitrate and Methane in Groundwater, Garfield County, Colorado, 2009

Use of Diverse Geochemical Data Sets to Determine Sources and Sinks of Nitrate and Methane in Groundwater, Garfield County, Colorado, 2009

Mar 1, 2013
Cover of Use of Classes Based on Redox and Groundwater Age to Characterize the Susceptibility of Principal Aquifers to Changes in Nitrate Concentrations, 1991 to 2010

Use of Classes Based on Redox and Groundwater Age to Characterize the Susceptibility of Principal Aquifers to Changes in Nitrate Concentrations, 1991 to 2010

Mar 1, 2013
Cover of Vertical Gradients in Water Chemistry and Age in the Southern High Plains Aquifer, Texas, 2002

Vertical Gradients in Water Chemistry and Age in the Southern High Plains Aquifer, Texas, 2002

Mar 1, 2013
Cover of Hydrologic and Micrometeorologic Data from an Unsaturated Zone Study at a Low-Level Radioactive Waste Burial Site Near Barnwell, South Carolina

Hydrologic and Micrometeorologic Data from an Unsaturated Zone Study at a Low-Level Radioactive Waste Burial Site Near Barnwell, South Carolina

Sep 1, 2011
Cover of Vertical Gradients in Water Chemistry and Age in the Northern High Plains Aquifer, Nebraska, 2003

Vertical Gradients in Water Chemistry and Age in the Northern High Plains Aquifer, Nebraska, 2003