Red-tailed Hawk (Buteo jamaicensis) eating a snake while standing on a post with a "No trespassing" sign photo
关于2年
Pleasant Park, Profile Rocks. Douglas County, Colorado - NARA - 517061 photo
关于2年
Pleasant Park, the Walled City. Colorado - NARA - 517058 photo
关于2年
Rocks near Platte Canyon, Platte Canyon Quadrangle. Douglas County, Colorado. - NARA - 517406 photo
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Pleasant Park. Colorado - NARA - 516950 photo
关于2年
Pleasant Park, view south. Douglas County, Colorado - NARA - 517060 photo
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Pleasant Park, ruins and fortifications. Colorado - NARA - 517057 photo
关于2年
Pleasant Park. Colorado - NARA - 516950 photo
关于2年
This 5 photo sequence is of SP Semaphore 6227 and sister at East Divide, OR on July 30, 1982 (32296311884) photo
超过2年
This 5 photo sequence is of SP Semaphore 6227 and sister at East Divide, OR on July 30, 1982 (33100384876) photo
超过2年
This 5 photo sequence is of SP Semaphore 6227 and sister at East Divide, OR on July 30, 1982 (32296308614) photo
超过2年
This 5 photo sequence is of SP Semaphore 6227 and sister at East Divide, OR on July 30, 1982 (33100383206) photo
超过2年
This 5 photo sequence is of SP Semaphore 6227 and sister at East Divide, OR on July 30, 1982 (32296305284) photo
超过2年
SP 3759 at Semaphore 6179, Comstock, OR. It looks like 3759 is a helper on July 30, 1982. (33142116725) photo
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SP 4336 with a eastbound Work Train at Cow Creek Canyon, OR on July 30, 1982 (32778278670) photo
超过2年
Helpers SSW 8965, 9285, and 9381 passing Semaphore 6166 near Comstock, OR on July 20, 1982 (33142113505) photo
超过2年
Helpers SSW 8965, 9285, and 9381 passing Semaphore 6166 near Comstock, OR on July 20, 1982 (32985244372) photo
超过2年
Helpers SSW 8965, 9285, and 9381 passing Semaphore 6166 near Comstock, OR on July 20, 1982 (32985247092) photo
超过2年