Austin, Tex. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002
Resource Type:
Book
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Full Title:
Baseline assessment of instream and riparian-zone biological resources on the Rio Grande in and near Big Bend National Park, Texas / by J. Bruce Moring ; in cooperation with the National Park Service
Mode of access: Internet from the USGS web site. Address as of 8/14/08: http://pubs.usgs.gov/wri/wri024106/pdf/wri02-4106.pdf ; current access available via PURL.