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Montezuma Well (Yavapai: ʼHakthkyayva), a detached unit of Montezuma Castle National Monument, [1] is a natural limestone sinkhole near the town of Lake Montezuma, Arizona, through which some 1,500,000 US gallons (5,700,000 L; 1,200,000 imp gal) of water emerge each day from an underground spring. It is located about 11 miles (18 km) northeast ...
Following is a list of dams and reservoirs in Pennsylvania. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).
This section includes Pennsylvania's highest point, Mount Davis, which stands at 3,213 feet (979 m) above sea level. Many of the mountains are long and broad with relatively shallow and broad valleys. Unlike the Appalachian Mountain section, the streams of this area have not cut deep and well defined valleys into the earth.
GNIS software shows the Gap with the indicated 'A' marker well below the mouth of Kittanning Run. • The Kittanning Gap name likely signifies a 'choice way' of climbing the escarpment to wagons or mule trains on the way to the west side of the Allegheny Mountains and Kittanning, PA. Taking a right through the gap to climb up the escarpment was ...
The Smuggler's Gulch is part of a steep walled canyon about 2 miles (3.2 km) inland of the Pacific Ocean.The canyon crosses the Mexico–United States border, between Tijuana, Baja California, and San Diego, California, and Smuggler's Gulch is the part of the canyon on the US side of the border.
The Kinzua Dam, on the Allegheny River in Warren County, Pennsylvania, is one of the largest dams in the United States east of the Mississippi River. [1] It is located within the Allegheny National Forest. The dam is located 6 miles (10 km) east of Warren, Pennsylvania, along Route 59, within the 500,000-acre (200,000 ha) Allegheny National ...
The environmental and health risks are especially high in places like Pennsylvania, where companies have long drilled for oil and natural gas without adequate oversight by state agencies ...
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 ...