Roundtop Hill (Maryland)
Introduction '''Roundtop Hill''' is a mountain in Washington County, Maryland, southwest of the town of Hancock. The elevation at the summit is .
Geography Unlike surrounding mountains, Roundtop Hill is not part of an extended ridge system, and is only about  in length. It is located just under  from the crest of Tonoloway Ridge, about  southwest of Hancock. Its presence causes a large bend in the Potomac River, which curves around its eastern slope. Much of the eastern face is part of the Chesapeake and Ohio Canal National Historical Park and the canal bed and tow path pass along the narrow bank at its base.
Geology Synclinal foldAnticlinal foldPreserved mudcracks at Roundtop HillOutstanding outcrops of the Silurian Wills Creek Formation and underlying Bloomsburg Formation are exposed along the old railroad grade at Roundtop Hill. Examples of folding, formation of cleavage, thrust faulting, and the deformation of bedded rocks are visible. About 500 feet of strata are exposed.
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