Investigation of water quality in the Great Sand Dunes National Monument and Preserve, Saguache County, Colorado, February 1999 through September 2000Sheryl A Ferguson · First published 2003Open the Tome
Assessment of metal transport into and out of Terrace Reservoir, Conejos County, Colorado, April 1994 through March 1995Sheryl A. Ferguson · First published 1996Open the Tome
