00576cam a2200205 4500 300169182 TxAuBib 19910920120000.0 |||||||||||||||||||||||||||||||||||und|u 57006132 TxAuBib Sumner, Cid Ricketts, 1890- Traveler in the wilderness. Harper. 248p maps. 19910920. Colorado River (Colo.-Mexico.) Green River (Wyo.-Utah.) Southwest, New Description and travel.