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Author
Brightbill, Robin A.
Published
New Cumberland, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor], 2003.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Brightbill, Robin A.
Published
Lemoyne, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online