Dallas Lore Sharp, his son, Dallas Lore Sharp, Jr., and Herman Bohlman (lower right) standing on a small ledge on the side of Three Arch Rock. Their camp is anchored to the rocks in the center. Murres and other sea birds are perched en masse upon the rock. Near Oceanside, Oregon, 1912. OHS Research Library, Org. Lot 369, Finley B0807.