U.S. Geological Survey Monitoring of Powder River Basin Stream-Water Quantity and Quality
http://water.usgs.gov/pubs/wri/wri014279/html/report.htm#

Clark Melanie L., Miller Kirk A., Myron H. Brooks, USGS

This USGS report documents the ongoing monitoring of streams in the Powder River Basin. This report summarizes some of the available monitoring data and data relations that may be useful for assessing water-quality changes that coal bed methane discharges may have on surface water quality. In addition to the available data, the report discusses streamflow characteristics, increases in stream specific conductance over time, and relations between specific conductance and sodium-adsorption ratios.

This resource is referenced here:

• Integrating Research and Education:Impacts on American Indian Lands:Crow: Hydrology
• Integrating Research and Education:Cretaceous: Coalbed Methane

Subject: Environmental Science:Water Quality and Quantity:Surface Water , Geoscience:Hydrology:Surface Water:Water Quality/Chemistry , Environmental Science:Water Quality and Quantity, Ecosystems:Biogeochemical cycling
Resource Type: Scientific Resources:Overview/Reference Work, Research Results, Audio/Visual:Images/Illustrations, Maps
Focus on the Cretaceous: Human Impacts, Economic Resources
Geochemistry Applications: Environmental Geochemistry
Theme: Teach the Earth:Course Topics:Biogeoscience, Hydrology/Hydrogeology, Environmental Science, Teach the Earth:Teaching Topics:WaterKeywords: SAR, sodium adsorption ratio