Figure 4: Repeat photography of Canyon de Chelly. Set A-B shows Canyon de Chelly at the confluence with Tunnel Canyon. Flow is right to left, with Tunnel Canyon entering from the right in the background. The channel here has not incised. Set C-D shows Canyon de Chelly at White House Ruins. Flow is towards the camera. Vegetation established in the channel in the early 1980s. The channel is now incised 2-3 m below the 1942 channel bed. Set E-F shows Canyon de Chelly at the confluence with Wild Cherry Canyon. Flow enters from the right and then away from the camera. Wild Cherry Canyon enters from the left. Most cottonwood trees established prior to 1964, and Russian olive (lighter foliage) established post-1989. The historic photos by C.H. Dane, Ansel Adams, and W.C. Mendenhall are used courtesy of the USGS photographic library, online at http://libraryphoto.cr.usgs.gov/.
Image 17176 is a 2688 by 2304 pixel WebP
Uploaded:
Oct9 09
