The U.S. Geological Survey (USGS), in cooperation with the City of Houston, began a study in 2007 to determine concentrations, spatial extent, and associated geochemical conditions that might be conducive for mobility and transport of selected naturall
Oden, Jeannette H. jhoden@usgs.gov,Szabo, Zoltan zszabo@usgs.gov. Arsenic and radionuclide occurrence and relation to geochemistry in groundwater of the Gulf Coast Aquifer System in Houston, Texas, 2007???11. 2016-01-01.