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by Ferrell, G. M. (Gloria M.)
Raleigh, N.C. : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1995
Raleigh, N.C. : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1995
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