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The diffusion of technological change in the Pennsylvania pig iron industry, 1850-1870
Walsh, William David - 1975
Persistent link: https://www.econbiz.de/10000328808
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The early and later history of petroleum : with authentic facts in regard to its development in western Pennsylvania
Henry, J. T. - 1970
Persistent link: https://www.econbiz.de/10000331986
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Surficial geology and geomorphology of Potter County, Pennsylvania
Denny, Charles Storrow - 1956
Persistent link: https://www.econbiz.de/10000311430
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Chromite and other mineral deposits in serpentine rocks of the Piedmont upland, Maryland, Pennsylvania and Delaware
Pearre, Nancy C.; Heyl, Allen V. - 1960
Persistent link: https://www.econbiz.de/10000315717
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Coal reserves of Pennsylvania : total, recoverable, and strippable (January 1, 1970)
Edmunds, William E. - 1972
Persistent link: https://www.econbiz.de/10000323810
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No growth : impacts on metropolitan areas
Rust, Edgar - 1975
Persistent link: https://www.econbiz.de/10000120030
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Annual report of the Board of Directors of the Philadelphia Maritime Exchange
Philadelphia Maritime Exchange - Philadelphia, Pa. - 7.1882 - 58.1932/33(1933) nachgewiesen
Persistent link: https://www.econbiz.de/10000440006
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Laws of the General Assembly of the Commonwealth of Pennsylvania : passed at the session of ...
Pennsylvania; Pennsylvania / General Assembly - Harrisburg, Pa. - 1/2.1776/78 - 5.1780/81; 1781/82 -
Persistent link: https://www.econbiz.de/10000446816