TY - RPRT TI - Water quality in shallow alluvial aquifers, Upper Colorado River Basin, Colorado, 1997 AU - Lori E. Apodaca AU - J. B. Bails AU - C. Michelle Smith PY - 2007 DO - 10.1111/j.1752-1688.2002.tb01541.x UR - https://pubs.usgs.gov/publication/70024792 ID - 70024792 ER -