http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Quality of groundwater in the Denver Basin aquifer system, Colorado, 2003-5
National Water-Quality Assessment Program (U.S.)
1 online resource (xi, 107 pages) : color illustrations, color maps.
"National Water-Quality Assessment Program."
GPO Cataloging Record Distribution Program (CRDP).
Includes bibliographical references (pages 99-107).
Scientific investigations report ; 2014-5051