-
1Published 1979“...Geological Survey circular ;...”
Government Document Book -
2Published 1977“...Geological Survey circular ;...”
Government Document Book -
3Published 1980“...Geological Survey circular ;...”
Government Document Book -
4
-
5Published 1984“...U.S. Geological Survey circular ;...”
Government Document Book -
6Published 1992“...U.S. Geological Survey circular ;...”
Government Document Conference Proceeding Book -
7by Barlow, Paul M.“...U.S. Geological Survey circular ;...”
Published 2003
Government Document Book -
8by Emery, K. O. (Kenneth Orris), 1914-1998“...Geological Survey circular ;...”
Published 1968
Government Document Book