To participate, just make your guess in the comments section for each photo. Guesses will be held until the end of the contest, when they will all be made public. Anything and everything is fair game for getting a correct answer. Each contest will last 2-3 days, so submit your guess as soon as you have an idea.
The center of the large center pivot irrigation system is 34°55′44.29″N, 100°22′19.85″W, in Collingsworth County, TX. The river in the NE corner of the image is the Salt Fork of the Red River.
Comment by Andy McAllister | February 28, 2008
34°56′N 100°22′W
Comment by Stefan | February 28, 2008
34°56′N 100°21′W
Quial in Texas(?), USA
Comment by Roland | February 28, 2008
Irrigation fields near Collingsworth, TX,
34°55′42.36″N 100°21′12.86″W
Hard one!
Comment by Ben Bayer | February 28, 2008