USGS Multimedia Gallery
Title: Boundary Monument 75E, Southeastern Arizona - 2009
An anti-vehicle barricade has been constructed across this section of the international boundary. Grass cover has increased in the foreground, providing evidence of the site’s grassland connection. (Raymond M. Turner)
Date Taken: April 24 2009
Photographer: Raymond Turner, USGS (retired) ,
Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.
USGS Desert Laboratory Repeat Photography Collection. Contact for additional information: Diane Boyer, firstname.lastname@example.org or 520-670-6671, ext. 297
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