Hanging Rock National Natural Landmark

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Hanging Rock National Natural Landmark is a one-acre site in Wabash County, Indiana that was designated a National Natural Landmark in May, 1986. The site, located on the southern bank of the Wabash River near the town of Lagro, contains an impressive natural exposure of fossilized coral reef dating from the Silurian Period some 400 million years ago. The limestone reef deposit rises 75 feet above the river and is being undercut by it, giving the site its "hanging" appearance.

[edit] External links

• National Park Service: Hanging Rock

• Hanging Rock National Natural Landmark is at coordinates 40°49′48″N 85°42′26″W / 40.830000, -85.707222 (Hanging Rock National Natural Landmark)Coordinates: 40°49′48″N 85°42′26″W / 40.830000, -85.707222 (Hanging Rock National Natural Landmark)