Showing 1 - 2 of 2 for search: 'Langer, William H.', query time: 0.06s
1
Cover Image
by Langer, William H.
Alexandria, Va. : American Geological Institute in cooperation with U.S. Geological Survey, c2004.

2
Cover Image
by Arbogast, Belinda F.
: United States Department of the Interior, 2000.

Other Authors: '; “...Langer, William H....”

Related Subjects

Environmental aspects Quarries Abandoned Mines Aggregate Reclamation