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- catalog alternative "Blacksville quadrangle, southwestern Pennsylvania.".
- catalog alternative "Oak Forest quadrangle and part of the Blacksville quadrangle, southwestern Pennsylvania.".
- catalog contributor b9679634.
- catalog contributor b9679635.
- catalog coverage "Pennsylvania Maps.".
- catalog created "1972.".
- catalog date "1972".
- catalog date "1972.".
- catalog dateCopyrighted "1972.".
- catalog extent "1 map :".
- catalog isPartOf "Miscellaneous geologic investigations ; map I-699.".
- catalog isPartOf "Miscellaneous investigations series ; map I-699".
- catalog issued "1972".
- catalog issued "1972.".
- catalog language "eng".
- catalog publisher "[Reston, Va.] : U.S. Geological Survey,".
- catalog spatial "Pennsylvania Maps.".
- catalog spatial "Pennsylvania".
- catalog spatial "Scale 1:24,000 ; (W 81⁰15'--W 80⁰07'30"/N 39⁰52'30"--N 39⁰43')".
- catalog spatial "a 24000 W0811500 W0800730 N0395230 N0394300".
- catalog subject "Geology Pennsylvania Maps.".
- catalog title "Blacksville quadrangle, southwestern Pennsylvania.".
- catalog title "Geologic map of the Oak Forest quadrangle and part of the Blacksville quadrangle, southwestern Pennsylvania / by John B. Roen.".
- catalog title "Oak Forest quadrangle and part of the Blacksville quadrangle, southwestern Pennsylvania.".
- catalog type "image".