U.S. Geological Survey Open-File Report 2011-1040
By V.A. Cross1, J.F. Bratton1,2, K.D. Kroeger1, John Crusius1, and C.R. Worley1
1 U.S. Geological Survey
2 Presently with: National Oceanic and Atmospheric Administration
U.S. Department of the Interior
U.S. Geological Survey
U.S. Geological Survey, Reston, Virginia: 2013
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