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The proposal however, was not approved by the state legislature. [4] [5] Pennsylvania is also home to the famous Drake Oil Well in Titusville which helped give rise to the modern oil industry and two brand name motor oils, Quaker State (now owned by Royal Dutch Shell) and Pennzoil. Pennsylvania also has reserves of natural gas from both deeply ...
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 ...
Since Pennsylvania first introduced numbered traffic routes in 1924, a keystone symbol shape has been used, in reference to Pennsylvania being the "Keystone State". The signs originally said "Penna" (a common abbreviation for Pennsylvania at the time), followed by the route number in block-style numbering in a keystone cutout.
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 Pennsylvania Geological Survey, or Bureau of Topographic and Geologic Survey (BTGS), is a geological survey enacted by the Pennsylvania General Assembly "to serve the citizens of Pennsylvania by collecting, preserving, and disseminating impartial information on the Commonwealth's geology, geologic resources, and topography in order to contribute to the understanding, wise use, and ...
Blue Mountain in the Lehigh Valley region of eastern Pennsylvania Bald Eagle State Forest in Union County, Pennsylvania. In its northern section, the Great Valley includes the Champlain Valley around Lake Champlain and the upper Richelieu River that drains it into the Saint Lawrence, the Hudson River Valley, Newburgh Valley, and Wallkill Valley, and the Kittatinny Valley, Upper Delaware River ...
The gaps of the Allegheny, [1] [2] meaning gaps in the Allegheny Ridge (now given the technical name Allegheny Front) in west-central Pennsylvania, is a series of escarpment eroding water gaps (notches or small valleys) along the saddle between two higher barrier ridge-lines in the eastern face atop the Allegheny Ridge or Allegheny Front ...
United States 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.