TY - RPRT TI - Chemistry and age of groundwater in the Piceance structural basin, Rio Blanco County, Colorado, 2010-12 AU - Peter B. McMahon AU - Judith C. Thomas AU - Andrew G. Hunt PY - 2013 DO - 10.3133/fs20133047 UR - https://pubs.usgs.gov/publication/fs20133047 ID - fs20133047 ER -