1. ALL Consulting and CH2M Hill (ALL), 2001. Water resources technical report. Montana statewide oil and gas environmental impact statement and amendment of the Powder River and Billings resource management plans. Prepared for US Bureau of Land Management, Miles City, Montana.
2. Applied Groundwater Modeling: Simulation of Flow and Advective Transport;Anderson,1992
3. Applied Hydrology Associates and Greystone Environmental Consultants (AHA and Greystone), 2002. Technical report: Powder River Basin oil and gas environmental impact statement, groundwater modeling of impacts associated with mining and coal bed methane development in the Powder River Basin. Prepared for Bureau of Land Management, Buffalo, Wyoming.
4. Banta, E.R., 2000. MODFLOW-2000: the US Geological Survey modular ground-water model – documentation of packages for simulating evapotranspiration with a segmented function (ETS1) and drains with return flow (DRT1). Open File Report 00-466. US Geological Survey, Denver.
5. Bartos, T.T., Ogle, T., 2002. Water quality and environmental isotopic analyses of ground-water samples collected from the Wasatch and Fort Union formations in areas of coalbed methane development—implications to recharge and ground-water flow, eastern Powder River Basin, Wyoming. Water-resources Investigations Report 02-4045. US Geological Survey, Cheyenne, Wyoming.