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Geologic map of the Hackett quadrangle, Washington County, Pennsylvania
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Main Author: | |
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Corporate Author: | |
Format: | Map |
Language: | English |
Published: |
Washington :
Geological Survey,
1967.
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Series: | Geologic quadrangle map ;
GQ-630. |
Physical Description: |
1 map : color ; 58 x 44 cm. |
Subjects: |
Item Description: | Relief shown by contours and spot heights. "Geology mapped in 1963-64." |
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Physical Description: |
1 map : color ; 58 x 44 cm. |
Bibliography: | Includes col. cross section, columnar section, text and bibliographical references. |