Oct 31, 1971
Economic Geology Report
… of north-central Alberta. … Hitchon, B. … Holter, M.E. … Hitchon, B. and Holter, M.E. …
Dec 31, 1976
Economic Geology Report
… in any subsurface water. … Hitchon, B. … Levinson, A.A. … Horn, M.K. … Hitchon, B., Levinson, A.A. and …