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Published
[Reston, VA] : U.S. Geological Survey ; [Denver, Colo. : Branch of Information Services, distributor], 1999.
Location
MARX Library MICRO - ask at Info Desk >> QE75 O63 99-582 (LC)
Format
Books / Microforms
Author
Barker, Charles E. (Charles Edward), 1951-
Published
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1996.
Location
MARX Library - ask at Info Desk
Format
Books / Microforms