Search results
Results from the WOW.Com Content Network
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.
All of Bedford County lies far to the south of the terminal moraine, and thus it was never glaciated (PA Geological Survey Map 59). However, during the Pleistocene epoch, or "Ice Age," periglacial (meaning "around glacier" or simply "cold") processes dominated. Most of the county was most likely a tundra at that time. The many boulder fields ...
The Allegheny Group, often termed the Allegheny Formation, [2] is a Pennsylvanian-age geological unit in the Appalachian Plateau.It is a major coal-bearing unit in the eastern United States, extending through western and central Pennsylvania, western Maryland and West Virginia, and southeastern Ohio.
The Allegheny Ridge is prominently shown in the map center-left, the gaps of the Allegheny Front are located in the border area between Cambria County (uplands) and Huntingdon County (lowlands). USGS - Appalachians Mountain chain showing the lines of the barrier ridges in central, western, and northwestern Pennsylvania.
The Allegheny Plateau (/ ˌ æ l ɪ ˈ ɡ eɪ n i / AL-ig-AY-nee) is a large dissected plateau area of the Appalachian Mountains in western and central New York, northern and western Pennsylvania, northern and western West Virginia, and eastern Ohio. It is divided into the unglaciated Allegheny Plateau and the glaciated Allegheny Plateau.
Blue Mountain, Blue Mountain Ridge, or the Blue Mountains of Pennsylvania is a ridge of the Appalachian Mountains in eastern Pennsylvania.Forming the southern and eastern edge of the Ridge-and-Valley Appalachians physiographic province in Pennsylvania, Blue Mountain extends 150 miles (240 km) from the Delaware Water Gap on the New Jersey border in the east to Big Gap in Franklin County in ...
The Godwin-Portman site (36AL39) located in Allegheny County, Pennsylvania, had a possible Fort Ancient (c. AD 850 to 1680) presence during the 15th century. [13] Washington Boro ceramics have been found on the Barton (18AG3) and Llewellyn (18AG26) sites in Maryland on the northeastern slopes of the late Susquehannock sequence.
Allegheny Front Hawk Watch on the border between Bedford and Somerset counties, Pennsylvania. On 20 September 2003, after the remnants of Hurricane Isabel passed western Pennsylvania, 833 hawks were counted passing the site. The Allegheny Front Hawk Watch set three Eastern Flyway Golden Eagle records during the 2015 migration.