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The Pennsylvania Mine Map Atlas is a joint project of PASDA and the Pennsylvania Department of Environmental Protection. [14] This Mine Map Atlas provides access to thousands of scanned, georeferenced underground mine maps in the Commonwealth of Pennsylvania. [14] It allows users to view their homes and see if any mines are beneath those homes ...
Western Pennsylvania is a region in the Commonwealth of Pennsylvania encompassing the western half of the state. Pittsburgh is the region's principal city, with a metropolitan area population of about 2.4 million people, and serves as its economic and cultural center. Erie, Altoona, and Johnstown are its other metropolitan centers.
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.
Interactive map of the numbering plan areas of the Commonwealth of Pennsylvania (blue). This is a list of telephone area codes of Pennsylvania. In 1947, the American Telephone and Telegraph Company divided Pennsylvania into four numbering plan areas (NPAs) and assigned distinct area codes for each.
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The Kittanning Path was a major east-west Native American trail that crossed the Allegheny Mountains barrier ridge connecting the Susquehanna River valleys in the center of Pennsylvania to the highlands of the Appalachian Plateau and thence to the western lands beyond drained by the Ohio River.
Originally, the airport was a cooperative project between the City of Connellsville, Fayette County, and the Federal Works Progress Administration (WPA) Program. Although first opened in October 1938, [7] it was heavily used during World War II by the United States Army Air Force Air Technical Service Command as a sub-depot of the Middletown Air Depot near Harrisburg.
The Depreciation Lands were a tract of land within a part of western Pennsylvania that was purchased by the Commonwealth from Native Americans in 1784. The area was located west of the Allegheny River, north of the Ohio River, and was bordered to the north by the east–west line that stretched from the mouth of Mahoning Creek (then known as Mogulbughtiton Creek) to the western border of ...