1. The application of geochemical techniques to mineral exploration;Andrews-Jones;Colo. Sch. Mines, Miner. Ind. Bull.,1968
2. Trace elements in tills of Alberta, Canada;Bayrock;Can. J. Earth Sci.,1967
3. Testing for copper and zinc in Canadian glacial soils;Bischoff;Min. Eng.,1954
4. The Canadian Shield;Boyle,1975
5. The application of different analytical extractions and soil profile sampling in exploration geochemistry;Bradshaw;J. Geochem. Explor.,1974