| Description | Pinnacles National Monument, California, bear gulch cave, a talus cave 피나클스국립공원 베어걸치동굴, 탤러스동굴(낙석으로 만들어진 동굴) |
| Date | 10:53, 11 February 2007 |
| Source | US Geological Survey, http://3dparks.wr.usgs.gov/pinnacles2/images/e18.jpg http://commons.wikimedia.org/ |
| Author | USGS Photo |
| Camera location | . |
| Permission | Public Domain |
| Licensing | This image is in the public domain because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy. |
From Wikimedia Commons http://commons.wikimedia.org/
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