http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hydrogeology and simulation of flow between the alluvial and bedrock aquifers in the upper Black Squirrel Creek Basin, El Paso County, Colorado
Upper Black Squirrel Creek Ground Water Management District (Colo.)
viii, 82 pages : illustrations, maps ; 28 cm.
Includes bibliographical references (pages 80-81).
Water-resources investigations report ; 94-4238