State Library of Pennsylvania - County Histories

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A collection of Pennsylvania county, township and borough histories. Includes atlases and plat maps of the state, county, townships, cities, and boroughs.
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Preliminary report on a regional stratigraphic study of Devonian rocks of Pennsylvania / by Thomas H. Jones and Addison S. Ca
Preliminary report on a regional stratigraphic study of Devonian rocks of Pennsylvania / by Thomas H. Jones and Addison S. Ca
Geology -- Pennsylvania -- Maps ; Geology, Stratigraphic -- Devonian
Stratigraphic and paleontologic data of the Devonian rocks in the outcrop belt of Pennsylvania.
Real estate plat-book of the city of Allegheny : from official records, private plans and actual surveys / constructed und
Real estate plat-book of the city of Allegheny : from official records, private plans and actual surveys / constructed und
Allegheny (Pa.) -- Maps ; Real property -- Pennsylvania -- Allegheny -- Maps ; North Side (Pittsburgh, Pa.) -- Maps
Volume 1: comprising the plates of 1st - 8th and 12th - 13th wards.
Stratigraphic studies of the Silurian rocks of Pennsylvania : part 1. stratigraphic cross sections of lower Devonian and Silu
Stratigraphic studies of the Silurian rocks of Pennsylvania : part 1. stratigraphic cross sections of lower Devonian and Silu
Geology, Stratigraphic -- Silurian ; Geology, Stratigraphic -- Silurian -- Maps ; Geology -- Pennsylvania ; Geology -- Pennsylvania -- Maps
Lower Devonian and Silurian rocks found in wells in the Plateau Province of Western Pennsylvania and adjacent areas are depicted in a series of six cross sections. The emphasis is on stratigraphic correlation of formational and group units found in the subsurface. Two volumes: Pt. 1. Stratigraphic cross sections of lower Devonian and Silurian rocks in western Pennsylvania and adjacent areas. Pt. 2. Subsurface maps of the Silurian rocks of Western Pennsylvania and adjacent areas.
Stratigraphic studies of the Silurian rocks of Pennsylvania : part 2. subsurface maps of the silurian rocks of western pennsylva
Stratigraphic studies of the Silurian rocks of Pennsylvania : part 2. subsurface maps of the silurian rocks of western pennsylva
Geology, Stratigraphic -- Silurian ; Geology -- Pennsylvania ; Geology -- New York (State)
The Silurian rocks in the subsurface of the Pennsylvania part of the Appalachian Plateau province can be related to the outcropping Silurian rocks of the Valley and Ridge province and the Niagara Escarpment. In general, the boundaries and compositional character of all the Silurian rock units indicate the existence of a major basis axis during Silurian time which lay roughly parallel to the present structural trend of the Appalachians through central Pennsylvania.
Warrantee atlas of Allegheny County, Pennsylvania : constructed from the records on file in the Department of Internal Affair
Warrantee atlas of Allegheny County, Pennsylvania : constructed from the records on file in the Department of Internal Affair
Allegheny County (Pa.) -- Maps ; Real property -- Pennsylvania -- Allegheny County -- Maps
Warrantee atlas of Allegheny County, Pennsylvania. The atlas was constructed from the records on file in the Department of Internal Affairs, and surveys made on the ground during 1909, 1910, 1912 under the direction of Henry Houck.
Warrantee atlas of Lawrence County, Pennsylvania constructed from the records on file in the Department of Internal Affairs
Warrantee atlas of Lawrence County, Pennsylvania constructed from the records on file in the Department of Internal Affairs
Real property -- Pennsylvania -- Lawrence County -- Maps ; Landowners -- Pennsylvania -- Lawrence County -- Maps ; Lawrence County (Pa.) -- Maps
The compilation and construction of the maps contained in this atlas, was executed during the years 1907 and 1908 under the general supervision of J. Sutton Wall, chief draftsman & surveyor of the Department of Internal Affairs, by William A. Moore, assistant chief draftsman and surveyor in charge of the warrantee mapwork of Lawrence County and George W. Muse, George S. Canning, William H. Horner, Charles F. Chidsey, Jr., George W. Rhoads, Charles L. Yoder, William G. Showman, John O. Jackson, Thomas L. Hobart, Benjamin F. Africa, draftsman. The volume includes a historical sketch of original land titles in Lawrence County, Pennsylvania by George W. Muse.