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by Mineral Management Service
by Sarkar; Debashis
by U.S. Department of the Interior; U.s. Fish and Wildlife Service; Bureau of Land Management
by Ravindran; A. Ravi
by Minerals Management Service
by Bendoly, Elliot; van Wezel, Wout; Bachrach, Daniel G.
by Kurvinen, Matti; Töyrylä , Ilkka; Murthy, D. N. Prabhakar; et al.
by Gronroos, Christian
by United States Fish and Wildlife Service
by U.S. Department of the Interior