1. The Tar Sands of Alberta, Canada;Camp,1974
2. Tar sands and supergiant oil fields;Demainson,1978
3. The Athabasca tar sands;McConville;Mining Engineering,1975
4. Oil mining - the syncrude project;Porteous,1978
5. Oil impregnated rock deposits of Utah;Ritzma;Utah Geological and Mineral Survey, Map 33,1973