The other two periods of human habitation are discernible mainly by the presence of a large shell midden on the site; testifying to the abundant shellfish and game in the area. The earliest of the periods, the "Locarno Beach" type, used many different types of stone tools, including microblades, adzes, and other shaped or sharpened objects. The next culture type, dating from around 2500 years ago and known as the "Gulf of Georgia" type, is characterized by an increased use of bone tools, such as wedges and awls made from antlers, as well as different kinds of wood. This culture type's presence on the site ends with the arrival of Europeans, and the colonization of Vancouver Island — altogether, around 1000 indigenous artifacts were recovered from the site during two separate archaeological digs.