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181
Washington : U.S. Govt. Print. Off., 1951
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Government Document
Book
182
by Teague, Russell E.
[s.l. : s.n., 1952
[s.l. : s.n., 1952
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Book
183
184
[Washington] 1952
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Book
185
by Leitch, Richard Duddleston, 1894-1965
Washington, D.C. : [U.S. Dept. of Commerce, Bureau of Mines], 1926
Washington, D.C. : [U.S. Dept. of Commerce, Bureau of Mines], 1926
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Government Document
Book
186
by Durfor, Charles N. (Charles Norman), 1923-1994, Keighton, W. B. (Walter B.)
Washington, D.C. : U.S. Government Printing Office, 1954
Washington, D.C. : U.S. Government Printing Office, 1954
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Government Document
Book
187
188
by Ryberg, Karen R., Vecchia, Aldo V.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2006
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2006
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Government Document
Book
189
190
by Takita, Charles S.
Harrisburg, Pa. : Susquehanna River Basin Commission, 1997
Harrisburg, Pa. : Susquehanna River Basin Commission, 1997
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Government Document
Book
191
192
Washington : U.S. Govt. Print. Off., 1970
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Government Document
Book
193
194
by Castaldo, Nancy F. (Nancy Fusco), 1962-
Chapel Hill, North Carolina : Algonquin Young Readers, 2022
First edition.
Chapel Hill, North Carolina : Algonquin Young Readers, 2022
First edition.
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Book
195
196
by Barnhill, Kelly Regan
Mankato, Minn. : Capstone Press, 2009
Mankato, Minn. : Capstone Press, 2009
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Book
197
198
[Washington] : U.S. Dept. of the Interior, Federal Water Quality Administration, 1970
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Conference Proceeding
Book
199
by Parks, Peggy J., 1951-
Detroit : KidHaven Press, 2007
Detroit : KidHaven Press, 2007
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Book
200
Bacteriological water quality of Tulpehocken Creek basin, Berks and Lebanon Counties, Pennsylvania /
by Barker, James L., 1936-
Harrisburg, Pa. : Washington : Dept. of the Interior, Geological Survey, Water Resources Division ; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978
Harrisburg, Pa. : Washington : Dept. of the Interior, Geological Survey, Water Resources Division ; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978
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Book