TY - RPRT TI - Geologic sources and concentrations of selenium in the West-Central Denver Basin, including the Toll Gate Creek watershed, Aurora, Colorado, 2003-2007 AU - Suzanne S. Paschke AU - Katherine Walton-Day AU - Jennifer A. Beck AU - Ank Webbers AU - Jean A. Dupree PY - 2014 DO - 10.3133/sir20135099 UR - https://pubs.usgs.gov/publication/sir20135099 ID - sir20135099 ER -