amazing collection (the largest too) of repeat photos. The collection preserves thousands of photos, from desert landscapes to mountain views, to help understand the changing effects of climate in different environments. Visit Wired to see the full post, or hop over to USGS to learn more!
Huerfano Butte, Santa Rita Experimental Range, Southern Arizona
1902
1941
2007
San Carlos River near Peridot, Southern Arizona
1940
1964
2000
Muir and Riggs Glaciers, Muir Inlet, Alaska
1941
1950
2004
Cliff Palace, Mesa Verde National Park, Colorado
1891
1989
Boundary Monument 75E, Southeastern Arizona
1893
1994
2009
Shepard Glacier, Glacier National Park, Montana
1913
2005
Photos Courtesy of Wired]]
