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Roadside geology of Pennsylvania
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Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania
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Outstanding scenic geological features of Pennsylvania
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Geology the study of rocks
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Rock formations and unusual geologic structures :exploring the earth's surface
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Geology rocks! : 50 hands-on activities to explore the earth
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Folklore of Centre County
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Wills of Centre County, Pennsylvania
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The warrant maps of Centre County, Pennsylvania
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Notable trees of Centre County
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Rising from the plains
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Strata : stories from deep time
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Reading the rocks : the autobiography of the earth
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Nature's clocks : how scientists measure the age of almost everything
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Centre County directory of human services
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I, rock : a geology tale
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The cemeteries of Bellefonte, Centre County, Pennsylvania : Union cemetery, St. John the Evangelist cemetery, Friend's cemetery, Sunnyside cemetery, St. John Episcopal columbarium
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The practical geologist
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Earth : an intimate history
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Centre County, PA index to the CCGS Cemetery series
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The magic school bus : inside the Earth
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The cemeteries of Rush Township, Centre County, Pennsylvania : Butler Cemetery, Elliot Cemetery, McCord-Beaver Cemetery, Philipsburg Cemetery, Saints Peter and Paul Cemetery, Sons of Israel Cemetery, Union (Mud Church) Cemetery
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Discovery Channel rocks & minerals : an explore your world handbook
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An introduction to fossils and minerals : seeking clues to the earth's past
