http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground-water age and flow at Great Sand Dunes National Monument, south-central Colorado
Ground water age and flow at Great Sand Dunes National Monument, south-central Colorado
2 unnumbered pages : maps (some color) ; 28 cm.
by Michael G. Rupert and L. Niel Plummer.
Includes bibliographical references (page [2]).
Fact sheet (Geological Survey (U.S.)) ; 2004-3051