TY - RPRT TI - Determination of selenium in fish from designated critical habitat in the Gunnison River, Colorado, March through October, 2012 AU - Thomas W. May AU - Michael J. Walther PY - 2013 DO - 10.3133/ofr20131104 UR - https://pubs.usgs.gov/publication/ofr20131104 ID - ofr20131104 ER -