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America's industrial heritage southwestern Pennsylvania.
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Corporate Author: | |
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Format: | Book |
Language: | English |
Published: |
[Washington, D.C.?] :
U.S. Dept. of the Interior, National Park Service,
[1991]
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Physical Description: |
24 unnumbered pages : illustrations, maps ; 24 cm. |
Subjects: |
Copy 1 | CMU Storage Gov Pub | I 29.2:In 2/13 | Available |
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