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The Piedmont in Pennsylvania is divided into three distinct sections: the Piedmont Uplands, the Piedmont Lowlands, and the Gettysburg-Newark Lowlands. Much of the Piedmont is becoming urbanized and developed. Some of the best farmland in the state is in this region, specifically Lancaster and Chester counties.
The following is a list of the mapped bedrock units in Pennsylvania. The rocks are listed in stratigraphic order. ... Group name Formation name Member name Map symbol ...
The Devonian Mahantango Formation is a mapped bedrock unit in Pennsylvania, West Virginia, and Maryland. [1] [2] [3] It is named for the North branch of the Mahantango Creek in Perry and Juniata counties in Pennsylvania. It is a member of the Hamilton Group, along with the underlying the Marcellus Formation Shale. [4]
An 1836 map of Pennsylvania's counties The Federal Information Processing Standard (FIPS) code, used by the U.S. government to uniquely identify counties, is provided with each entry. FIPS codes are five-digit numbers; for Pennsylvania the codes start with 42 and are completed with the three-digit county code.
The Pennsylvanian Pottsville Formation is a mapped bedrock unit in Pennsylvania, western Maryland, West Virginia, Ohio, and Alabama.It is a major ridge-former in the Ridge-and-Valley Appalachians of the eastern United States. [3]
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.
Landforms of Pennsylvania by county (68 C) Bodies of water of Pennsylvania (5 C) A. Allegheny Plateau (6 C, 134 P) C. Canyons and gorges of Pennsylvania (3 P)
The Gettysburg Formation is a mapped bedrock unit consisting primarily of sandstones, conglomerates, and shales.. The Gettysburg Formation was first described in the Gettysburg area of Adams County, Pennsylvania in 1929, [1] and over the following decade was mapped in adjacent York County, Pennsylvania [4] and Frederick County, Maryland. [5]