Potts, Daniel T., frontiersman (c. 1796-c. 1840). Born in Pennsylvania, he was one of the Ashley men ascending the Missouri River in 1822, deserted briefly, rejoined an Ashley boat and went on up the river. He was accidentally wounded during his first winter on the Musselshell River but recovered and spent six years trapping in the northern Rockies, perhaps naming Great Salt Lake, being the first confirmed visitor and penning the first description of the later Yellowstone Park. He regained St. Louis in October 1828. Potts engaged in shipping livestock from Texas to New Orleans and reportedly was lost with his ship in the Gulf of Mexico. His interesting letters from the mountains are analyzed by Gerald C. Bagley.