Legend has it that a man named Amsden left Needles in 1883 to prospect in the Turtle Mountain Range. A few weeks later, Amsden staggered into Goffs, close to death. His pockets bulged with gold. As soon as he recovered from his ordeal he returned to his home in the east later sending a letter to Dick Colton, a friend in Goffs, with directions and a map to his placer mine in the Turtle Mountains. The letter said the gold was not far from a natural arch.
From 1932 to 1948 a pair of prospectors, Charlie Brown and Jesse Craik occupied a cabin near the suspected Lost Arch mine. They welcomed visitors and dubbed their two cabins as the Lost Ach Inn.