Twomey, Katie.
Washington, DC : Western Energy and Land Use Team, Division of Biological Services, Research and Development, Fish and Wildlife Service, U.S. Dept. of the Interior, [1984]
1984
Edwards, Elizabeth A.
Washington, DC : Western Energy and Land Use Team, Office of Biological Services, Fish and Wildlife Service, U.S. Dept. of the Interior, [1982]
1982
Edwards, Elizabeth A.
Washington, DC : Western Energy and Land Use Team, Office of Biological Services, Fish and Wildlife Service, U.S. Dept. of the Interior, [1982]
1982