1
by Burgess, Bonnie B., 1946-
Published 2001
Subjects: ...United States. -- Endangered Species Act of 1973 -- History....
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2
Published 2010
Subjects: ...United States. -- Marine Mammal Protection Act of 1972....
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5
Published 2014
Subjects: ...United States. -- Wilderness Act....
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7
by Roman, Joe, 1963-
Published 2011
Subjects: ...United States. -- Endangered Species Act of 1973....
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