 Some artifacts of possibly Spanish origin have been found on the mountain; notably, in the 1870s, a collection of stones with arrows marked on them and one with the letters D E W on it found by treasure hunter Pat Smith.Beeswax has been recovered from the beach along the southwest slopes of the mountain for years; as early as 1814 chunks were dug from the beach sands and taken for trade to a fur trader at Astoria.One slab, described as "closely resembling polished stone", has a cross with a circle at its center deeply carved on its surface.