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181
182
Washington, Govt. Print. Off., 1932
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Government Document
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183
by Obert, Leonard, 1906-, Merrill, Robert H.
[Washington, D.C.] : United States Department of the Interior, Bureau of Mines, 1958
[Washington, D.C.] : United States Department of the Interior, Bureau of Mines, 1958
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184
by Ladoo, Raymond B. (Raymond Bardeen), 1893-
[Washington, D.C.] : Bureau of Mines, Department of the Interior, 1920
[Washington, D.C.] : Bureau of Mines, Department of the Interior, 1920
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Government Document
Book
185
by Winfrey, Robley E., 1899-1993
Washington : Springfield, Va. : Dept. of Transportation, Federal Highway Administration, Offices of Research and Development ; For sale by the National Technical Information Service, 1976
Washington : Springfield, Va. : Dept. of Transportation, Federal Highway Administration, Offices of Research and Development ; For sale by the National Technical Information Service, 1976
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Government Document
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186
by Beebe, M. (Michael), 1957-
[Washington, DC] : Springfield, Va. : U.S. Dept. of Transportation, National Highway Traffic Safety Administration ; National Technical Information Service [distributor], 1985
[Washington, DC] : Springfield, Va. : U.S. Dept. of Transportation, National Highway Traffic Safety Administration ; National Technical Information Service [distributor], 1985
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187
by McCauley, John F.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1983
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1983
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Government Document
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188
by Crippen, John R , 1920-
Washington : Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977
Washington : Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977
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189
Harrisburg, Pennsylvania : Pennsylvania, Department of Public Instruction, 1942
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Government Document
Book
190
191
by Fancy, Donna S.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013
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Government Document
Book
192
193
[Cheyenne, Wyo.] : [Bureau of Land Management, Wyoming State Office], 2006
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194
195
196
by Coughlin, John P.
[Washington, D.C.] : United States Department of the Interior, Bureau of Mines, 1959
[Washington, D.C.] : United States Department of the Interior, Bureau of Mines, 1959
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197
198
199
200
by Sobel, Kenneth L.
Washington : Springfield, Va. : Dept. of Transportation, Office of Research and Development Policy ; for sale by the National Technical Information Service, 1976
Washington : Springfield, Va. : Dept. of Transportation, Office of Research and Development Policy ; for sale by the National Technical Information Service, 1976
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