Tracings of pictographs, southern Alberta.
Tracings of pictographs, Painted Canyon, Zephyr Creek, west of Longview, Alberta.
Tracings of pictographs at Mystic Cave, west of Cayley, Alberta.
Tracings of pictographs at Larocque Lake, Saskatchewan.
Tracings of petroglyphs at Writing-on-Stone, Alberta.
Tracings of O'Hara petroglyphs at the O'Hara site on the Milk River west of Writing-on-Stone, Alberta.
Selwyn Dewdney measuring petroglyphs and sketching to scale at Writing-on-Stone, Alberta.
Tracing of pictographs on the Okotoks erratic (the Big Rock), near Okotoks, Alberta.
Tracings of pictographs in a glacial erratic cave, Nanton, Alberta.
Tracings of pictographs in a glacial erratic cave, Nanton, Alberta.