D. J. Wachal

Mapping landslide susceptibility in Travis County, Texas, USA

David J. Wachal, Paul F. Hudak, D. Wachal, 2000 .

Field-based monitoring of sediment runoff from natural gas well sites in Denton County, Texas, USA

K. Banks, D. Wachal, H. Williams, 2008 .

Evaluation Of WEPP For Runoff And Sediment Yield Prediction On Natural Gas Well Sites

R. D. Harmel, David J. Wachal, Kenneth E. Banks, 2008 .

Effects of brine injection wells, dry holes, and plugged oil/gas wells on chloride, bromide, and barium concentrations in the Gulf Coast Aquifer, southeast Texas, USA.

D. Wachal, P. Hudak, D. J. Wachal, 2001, Environment international.