Repeat photograph of Puerco River channel at the Hogback, two miles east of Gallup, McKinley County, New Mexico. 1946.
Dates
Date Taken
1901
Summary
Darton image 874 taken in 1901. Compare with Leopold image 025 taken in 1946. Puerco River channel at the Hogback, two miles east of Gallup, New Mexico, looking southeast. Alkali sacaton and saltbush appear in both pictures. Russian thistle appears in moderate abundance in Leopold image 024, taken in 1946. Note that the general vegetative cover looks about the same in density and volume in both pictures. Species changes, particularly increase in Russian thistle, seem to be more marked than amount of vegetation. Gully in 1901 about 6 feet deep. In 1946, gully was about 20 feet deep with more vertical walls. Note that road cut in gully side in 1901 was filled with soil material when railroad grade was moved. Old road now appears as light [...]
Summary
Darton image 874 taken in 1901. Compare with Leopold image 025 taken in 1946. Puerco River channel at the Hogback, two miles east of Gallup, New Mexico, looking southeast. Alkali sacaton and saltbush appear in both pictures. Russian thistle appears in moderate abundance in Leopold image 024, taken in 1946. Note that the general vegetative cover looks about the same in density and volume in both pictures. Species changes, particularly increase in Russian thistle, seem to be more marked than amount of vegetation. Gully in 1901 about 6 feet deep. In 1946, gully was about 20 feet deep with more vertical walls. Note that road cut in gully side in 1901 was filled with soil material when railroad grade was moved. Old road now appears as light colored fill exposed in gully wall. By reference to large rocks near which man is standing, the increase in width of gully can be seen. McKinley County, New Mexico. Circa 1946.
Click on title to download individual files attached to this item.
llb00025.jpg
522.62 KB
image/jpeg
Rights
This USGS product is considered to be in the U.S. public domain. For further information on the USGS Information Policies and Instructions, refer to the Copyrights and Credits section on this web page: http://www.usgs.gov/laws/info_policies.html