http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Baseline assessment of instream and riparian-zone biological resources on the Rio Grande in and near Big Bend National Park, Texas
iv, 33 pages : illustrations (some color), color maps ; 28 cm.
by J. Bruce Moring ; in cooperation with the National Park Service.
Includes bibliographical references (pages 29-30).
Water-resources investigations report ; 02-4106