File:Headward erosion.jpg

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Headward_erosion.jpg ‎(700 × 484 pixels, file size: 216 KB, MIME type: image/jpeg)

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English: Gully developing headward by sapping and modified by slipping. Two miles southeast of Mount Tamalpais. A characteristic landslip hollow at right. Compare 2835. Tamalpais quadrangle, Marin County, California. 1906.

Digital File:ggk02834
ID. Gilbert, G.K. 2834
Original found at http://libraryphoto.cr.usgs.gov/cgi-bin/show_picture.cgi?ID=ID.%20Gilbert%2C%20G.K.%202834

Image uploaded to illustrate article headward erosion.
Date 9 May 2006 (original upload date)
Source the English language Wikipedia (log)
Author Grove Karl Gilbert. Uploaded to Wikipedia by en:User:Cuppysfriend.
Permission
(Reusing this file)
Public domain
This image is in the public domain in the United States 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.

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Date/TimeThumbnailDimensionsUserComment
current12:52, 3 March 2008Thumbnail for version as of 12:52, 3 March 2008700 × 484 (216 KB)Zimbres (talk | contribs)Gully developing headward by sapping and modified by slipping. Two miles southeast of Mount Tamalpais. A characteristic landslip hollow at right. Compare 2835. Tamalpais quadrangle, Marin County, California. 1906. Digital File:ggk02834

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