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The Geology of Pennsylvania consists of six distinct physiographic provinces, three of which are subdivided into different sections. Each province has its own economic advantages and geologic hazards and plays an important role in shaping everyday life in the state.
The following is a list of the mapped bedrock units in Pennsylvania. The rocks are listed in stratigraphic order. ... Formation name Member name Map symbol [2 ...
USGS Hydrologic Unit Map - State of Pennsylvania (1974) Shaw, Lewis C. (June 1984). Pennsylvania Gazetteer of Streams Part II (Water Resources Bulletin No. 16). Prepared in Cooperation with the United States Department of the Interior Geological Survey (1st ed.).
Map all coordinates using OpenStreetMap. ... River islands of Pennsylvania (2 C, 32 P) Pages in category "Islands of Pennsylvania"
The Pennsylvania Dutch region in south-central Pennsylvania is a favorite for sightseers. The Pennsylvania Dutch, including the Amish, Mennonites, and at least 15 other sects are common in the rural areas around the cities of Lancaster, York, and Harrisburg with smaller populations extending northeast to the Lehigh Valley and up to the Susquehanna Valley.
The Ordovician Martinsburg Formation (Om) is a mapped bedrock unit in Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia.It is named for the town of Martinsburg, West Virginia for which it was first described.
Triassic geology of Pennsylvania (11 P) Pages in category "Geologic formations of Pennsylvania" The following 44 pages are in this category, out of 44 total.
The Ordovician Reedsville Formation is a mapped surficial bedrock unit in Pennsylvania, Maryland, Virginia, West Virginia, and Tennessee, that extends into the subsurface of Ohio. This rock is a slope-former adjacent to (and stratigraphically below) the prominent ridge-forming Bald Eagle sandstone unit in the Appalachian Mountains .