201. Castle Rocks / 202. Big Rock Spring / 203. Sand Spring

TOWNSHIP: Crawford
QUADRANGLE: Carroll
LOCATION: Approximately 2 miles south of Rauchtown on PA Route 880; 2.5 miles north of Interstate 80; within Ravensburg State Park.

REMARKS: A scenic gorge along Rauchtown Creek contains spires of rock (Bald Eagle conglomerate, Ordovician age) forming the feature called "Castle Rocks." Big Rock Spring (202) and Sand Spring (203) are nearby.

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063. Hyner View

Hyner View, photo by John Way TOWNSHIP: Chapman
QUADRANGLES: Glen Union and Renovo East
LOCATION: Approximately 6.5 miles east of Renovo and 1.1 miles southeast of the village of Hyner on PA Route 120; part of Hyner Run State Park.

REMARKS: A spectacular scenic lookout on Hyner Mountain; the scene is an overview of the West Branch of the Susquehanna River and the Allegheny High Plateau. This lookout is perched on a cliff edge more than 1300 feet above the Susquehanna River. Hyner View is ranked as one of the most outstanding scenic views in the United States.

Excellent exposures of sandstone, shale, and conglomerate of the Catskill Formation (Devonian age) are seen along the road winding from the Hyner Run State Park office to the lookout; an unusual Catskill "breccia" bed is exposed at the second bend of the road below the lookout.

PHOTO: © John Way.

LINKS:
Hyner Run State Park

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106. The Bunk / 107. Oxbow Bend

TOWNSHIP: Leidy
QUADRANGLE: Hammersley Fork
LOCATION: Along Kettle Creek, 1 mile south of the village of Hammersley Fork and PA Route 144.

REMARKS: An ancient meander of Kettle Creek eroded the land within the meander into the shape of a built-in bed or bunk. The bend area of the meander resembles an oxbow and is known as Oxbow Bend (107).

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91. Renovo View

TOWNSHIP: Chapman
QUADRANGLE: Renovo East
LOCATION: Approximately 0.5 mile north of the Borough of Renovo and PA Route 120.

REMARKS: A scenic overlook; view of the West Branch of the Susquehanna River and the Allegheny High Plateau. This overlook is perched on a cliff more than 900 feet above the river.

Exposures of sandstone, shale, and conglomerate of the Catskill Formation (Devonian age) are seen along the dirt road winding from the borough to the lookout.

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266. Seven Spring / 267. Ruhl Spring

TOWNSHIP: Logan
QUADRANGLE: Millheim
LOCATION: At the U. S. Bureau of Fisheries, Lamar National Fish Hatchery on Fishing Creek; approximately 2.2 miles west of Tylersville and PA Route 880.

REMARKS: Seven Spring and Ruhl Spring (267) together make up the second largest spring system in Pennsylvania, having a flow of 14,000 gallons per minute. These springs issue from enlarged fracture openings in the Nealmont Limestone of Ordovician age.

REFERENCES: Flippo, H. N., Jr. (1974), Springs of Pennsylvania, Department of Environmental Resources, Office of Resources Management, Water Resources Bulletin 10, 46 p.

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273. Sulphur Spring

BOROUGH: Loganton
QUADRANGLE: Loganton
LOCATION: On the Green Township-Loganton Borough boundary, one-half mile south of Interstate 80, exit 27 (mile 185).

REMARKS: A sulfur spring located in a water gap in Sugar Valley Mountain. The spring is emanating from conglomerate of the Bald Eagle Formation (Ordovician age). A bright yellow coating of native sulfur is present on the walls of the spring opening.

REFERENCES: Bolles, W. H. , and Geyer, A. R. (1975), PA Interstate 80 - geologic guide, Pennsylvania Department of Education.

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288. Tylersville Spring

TOWNSHIP: Logan
QUADRANGLE: Millheim
LOCATION: Near the head of Fishing Creek, about one-half mile northeast of the village of Tylersville; approximately 600 feet east of PA Route 880.

REMARKS: The fourth largest spring in Pennsylvania, having a median flow of 13,000 gallons per minute. The spring rises from fractures in the limestone of the Nealmont Formation (Ordovician age).

REFERENCES: Flippo, H. N., Jr. (1974), Springs of Pennsylvania, Department of Environmental Resources, Office of Resources Management, Water Resources Bulletin 10, 46 p.

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