 At least two geographical locations are named for William Raynolds . The mountain gap where the Raynolds Expedition crossed the Continental Divide between southwest Montana and northeast Idaho is named Raynolds Pass ( 44 ° 42 ′ 40 ″ N 111 ° 28 ′ 11 ″ W ) and Raynolds Peak ( 43 ° 52 ′ 15 ″ N 110 ° 49 ′ 30 ″ W ) is an isolated peak in the Teton Range that was named after him in 1938 . The fossil remains of the extinct gastropod <unk> <unk> was named by Ferdinand V. Hayden in honor of Raynolds after the specimen was collected in the Powder River Basin during the expedition . 
