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Mammoth Cave travertine

Stalactites and stalagmites inside Mammoth Cave.

Stalactites and stalagmites, made of travertine, can be seen on the Frozen Niagara tour of Mammoth Cave. Travertine, or traveling stone, is made of limestone that has crystalized out of dripping water.

U.S. National Park Service

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Mammoth Cave National Park, Code: MACA

Mammoth Cave National Park
Latitude: 37.186976, Longitude: -86.101444

NPS.gov Collection

7/25/2016 3:02:00 PM

Public Can View

Tuesday, January 2, 2018 8:23:55 AM

Tuesday, January 2, 2018 8:23:55 AM

3826DADC-1DD8-B71B-0B8CD958FF1CEB2D.jpg

Canon Canon, Canon EOS DIGITAL REBEL

1/6 sec at f / 5.6

49 mm

ISO 400

Thursday, February 12, 2009 5:43:09 PM

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13.4 MB

Scenic