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0 km
Chimney Rocks, Geological Area - Hollidaysburg, Pennsylvania, USA
in Places of Geologic Significance
The Chimney Rocks Formation is located in the Ridge and Valley Province.
posted by: ted28285
location: Pennsylvania
date approved: 12/17/2021
last visited: 12/17/2021
E30.7 km
Pulpit Rocks
Rock formation located off Old Pike Road, northwest of the town of Huntingdon, Pennyslvania.
posted by: redtailforester
date approved: 8/18/2008
last visited: 11/22/2014
N66 km
Bigler's Rocks - Grampian, PA
Bigler's Rocks are over 300 million years old. There is a parking area, picnic pavilion, hiking trails, Bigler's Run, and playground.
posted by: r.e.s.t.seekers
date approved: 6/17/2021
last visited: 6/17/2021
S78.5 km
Sideling Hill near Hancock MD
When Interstate 68 was built in western Maryland, a cut through Sideling Hill exposed 810 feet of rock strata. Visitors can see and learn more about this geological formation at the rest stop near Hancock, Maryland.
posted by: HaricotVert_52
location: Maryland
date approved: 8/31/2009
last visited: 7/16/2022
W119.7 km
Port Royal Tufa - Belle Vernon, PA
In Cedar Creek Park there is a fast-growing outdoor stalactite, one of the few in the United States.
posted by: Go Boilers!
date approved: 6/20/2014
last visited: never
SE119.9 km
Devil's Den - Gettysburg, PA
Devil's Den is the most sought after piece of real estate for kids, ghost hunters, Civil War buffs and re-enactors. From the air it looks like the bones of a foot. From the ground, it is a gigantic, jumbled mass of boulders.
posted by: Math Teacher
date approved: 7/23/2013
last visited: 7/17/2022
SE146.5 km
Potomac River and Catoctin Mountain at Point of Rocks, MD
At this location complex geological forces allowed the Potomac River to cut through the Catoctin Mountain, and the rock from this area was used to form the walls of the C&O Canal and the bed of the railroad tracks of the B&O Railroad.
posted by: NorStar
date approved: 11/12/2014
last visited: 7/29/2022
S154 km
Conococheague Formation - Lebanon Church, VA
A unique rock outcrop outside of Lebanon Church, Virginia that I visited during my geology sedimentation and stratigraphy class while a geology undergrad in the Fall of 2019.
posted by: bluesnote
location: Virginia
date approved: 12/20/2019
last visited: 12/20/2019