http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f90-subject=Geology -- Pennsylvania) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f90-subject%3DGeology%20--%20Pennsylvania Results for your query: docsPerPage=100;f90-subject=Geology -- Pennsylvania Thu, 01 Jan 1970 12:00:00 GMT Annual report on the geological survey of the state of Pennsylvania. Geological Survey of Pennsylvania, Rogers, Henry D. (Henry Darwin), 1808-1866 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Annual report on the geological exploration of the state of Pennsylvania. Geological Survey of Pennsylvania, Rogers, Henry D. (Henry Darwin), 1808-1866 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Annual report of the State Geologist. Geological Survey of Pennsylvania, Rogers, Henry D. (Henry Darwin), 1808-1866 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Report of progress in the district of York and Adams counties: illustrated by maps and cross-sections, showing the iron ore belts and individual mines; with descriptions of the same, notes of a transit line to establish altitudes, and a catalogue of specimens collected and placed in the museum at Harrisburg. Frazer, Persifor, 1844-1909 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Pennsylvania glaciation, first phase: materials for a discussion of the attenuated border of the moraine described in volume Z of the second Geological survey of Pennsylvania. Williams, Edward Higginson, 1849-1933 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT The geology of Pennsylvania: a government survey. Rogers, Henry D. (Henry Darwin), 1808-1866, Geological Survey of Pennsylvania http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Report of progress 1874-1889, A-Z. Geological Survey of Pennsylvania, Pennsylvania Board of Commissioners for the Second Geological Survey. http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Report of progress in the Clearfield and Jefferson district of the bituminous coalfields of western Pennsylvania. Platt, Franklin, 1844-1900 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Report of progress in the Greene and Washington district of the bituminous coal-fields of western Pennsylvania. Stevenson, John J. (John James), 1841-1924, Pennsylvania State Geologist (1874-1890). http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Historical sketch of geological explorations in Pennsylvania and other states. Lesley, J. Peter, 1819-1903 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT 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. Lesley, J. Peter, 1819-1903 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT