TY - RPRT TI - Concentrations and Loads of Selenium in Selected Tributaries to the Colorado River in the Grand Valley, Western Colorado, 2004-2006 AU - Kenneth J. Leib PY - 2008 DO - 10.3133/sir20085036 UR - https://pubs.usgs.gov/publication/sir20085036 ID - sir20085036 ER -