14 JULY 2012 - OAK SPRINGS, AZ:  A bull riding student cleans his rigging after a bull riding class in the Aspen Canyon Rodeo Club arena in Oak Springs, AZ. The bull riding class was offered by the Crooked Horn Cattle Co. in the community of Oak Springs on the Navajo Nation, about 15 miles south of Window Rock, AZ. Eleven cowboys signed up for bull riding classes and one signed up for bull fighting classes. The bull riding class started with lessons on a mechanical bucking machine before the cowboys rode bulls.    PHOTO BY JACK KURTZ
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