Cort Conley, co-author of “Snake River of Hells Canyon,” will appear at Stage One in Enterprise, at 7 p.m. Saturday, June 19, as a benefit for the Josephy Library in Fishtrap’s Coffin House. Admission is $5 per person.

Cort will share pictures and commentary on Amos Burg’s trip down the Snake River from Jackson Lake to the sea by canoe in 1925, and the 1939 Clegg Expedition.