Catalogue of the Geological Museum von Hall, Charles E. 1852-1908, D'Invilliers, Edward V. 1857-1928, Lewis, Henry Carvill 1853-1888, Randall, F. A., Carll, John Franklin 1828-1904, Genth, Frederick Augustus 1820-1893, Mansfield, I. F., Lesquereux, Leo 1806-1889, Simpson, George B.

“… Second Geological Survey of Pennsylvania …”
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A preliminary report on the palaeontology of Perry County describing the order and thickness of its formations and its folded and faulted structure von Claypole, Edward Waller 1835-1901

“… Second geological survey of Pennsylvania …”
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A geological hand atlas of the sixty-seven counties of Pennsylvania, embodying the results of the field work of the survey, from 1874 to 1884 von Lesley, J. P. 1819-1903

“… Second Geological Survey of Pennsylvania …”
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Description of the coal flora of the carboniferous formation in Pennsylvania and throughout the United States von Lesquereux, Leo 1806-1889, Lesquereux, Leo 1806-1889

“… Second Geological Survey of Pennsylvania …”
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The geology of Chester County, after the surveys of Henry D. Rogers, Persifor Frazer, and Charles E. Hall with a colored geological map of the county; three lithographic plates; an...

“… Second Geological Survey of Pennsylvania …”
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The geology of Pike and Monroe Counties with colored geological county maps, a map of glacial scratches, and seven small sections von White, Israel C. 1848-1927, Chance, Henry Martyn 1856-1937

“… Second Geological Survey of Pennsylvania …”
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The geology of Philadelphia County and of the southern parts of Montgomery and Bucks von Hall, Charles E. 1852-1908

“… Second Geological Survey of Pennsylvania …”
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The geology of Lycoming and Sullivan Counties von Sherwood, Andrew -1933, Platt, Franklin 1844-1900

“… Second Geological Survey of Pennsylvania …”
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Description of the coal flora of the carboniferous formation in Pennsylvania and throughout the United States von Lesquereux, Leo 1806-1889, Lesquereux, Leo 1806-1889

“… Second Geological Survey of Pennsylvania …”
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Report of progress in Bradford and Tioga counties von Sherwood, Andrew -1933, Platt, Franklin 1844-1900, Fulton, John 1826-1916

“… Second Geological Survey of Pennsylvania …”
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Report of progress in the laboratory of the survey at Harrisburg von MacCreath, Andrew S. 1849-1930

“… Second Geological Survey of Pennsylvania …”
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Atlas to the coal flora of Pennsylvania, and of the carboniferous formation throughout the United States 87 plates, with explanations von Lesquereux, Leo 1806-1889

“… Second Geological survey of Pennsylvania …”
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The northern Townships of Butler County part first von Chance, Henry Martyn 1856-1937

“… Second Geological Survey of Pennsylvania …”
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The geology of Lawrence County to which is appended a special report on the correlation of the coal measures in Western Pennsylvania and Eastern Ohio : with a colored geological ma... von White, Israel C. 1848-1927

“… Second Geological Survey of Pennsylvania …”
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Report of progress in the counties of York, Adams, Cumberland and Franklin illustrated by maps and cross-sections showing the magnetic and micaceous ore belt near the western edge... von Frazer, Persifor 1844-1909

“… Second Geological Survey of Pennsylvania …”
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Historical sketch of geological explorations in Pennsylvania and other states with an appendix containing the annual reports of the State Geologist to the Board of Commissioners von Lesley, J. P. 1819-1903

“… Second Geological Survey of Pennsylvania …”
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Preliminary report on the mineralogy of Pennsylvania von Genth, Frederick Augustus 1820-1893, Sadtler, Samuel Philip 1847-

“… Second Geological Survey of Pennsylvania …”
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Report of progress in the Clearfield and Jefferson District of the bituminous coal-fields of Western Pennsyvania illustrated with 139 wood-cuts and 10 maps and sections von Platt, Franklin 1844-1900

“… Second Geological Survey of Pennsylvania …”
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The township geology of Elk and Forest counties

“… Second Geological Survey of Pennsylvania …”

Report on the coal mines of the Monongahela River Region, from the West-Virginia state line to Pittsburgh, including the mines on the lower Youghiogheny River von Wall, J. Sutton

“… Second Geological Survey of Pennsylvania …”
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