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You searched for:
Date
ca. 1960-1970
Remove constraint Date: ca. 1960-1970
Geographic Names
Monongahela River (W. Va. and Pa.)
Remove constraint Geographic Names: Monongahela River (W. Va. and Pa.)
Topical Subjects
Dams--Monongahela River (W. Va. and Pa.)
Remove constraint Topical Subjects: Dams--Monongahela River (W. Va. and Pa.)
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