Water-quality assessment and mapping for the Principal Valley-Fill Aquifer in Sanpete Valley, Sanpete County, Utah - Lowe, Mike; Wallace, Janae; Bishop, Charles E. (Salt Lake City : Utah Geological Survey, 2003)
Keywords: odpadová voda -- povrchová voda -- podzemná voda -- stratigrafia -- znečistenie -- využívanie pôdy