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Developments and applications of modern airborne elecromagnetic surveys : proceedings of the U.S. Ge

U.S. Geological Survey Workshop on Developments and Applications of Modern Airborne Electromagnetic Surveys (1987 : Golden, Colo.)
[Washington, D.C.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1990. 1990

Transient electromagnetic soundings near Great Sand Dunes National Park and Preserve, San Luis Valle

Fitterman, David V.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2009. 2009