Results: 1 - 3 of 3
Apr 30, 1970
Open File Report
… from Report 35 and Report 66-5 (Campbell, 1966)), the following … where necessary. … Campbell, J.D. … Campbell, J.D. (1970): Alberta …
Apr 30, 1972
Open File Report
… 'Alberta Foothills Coals'. … Campbell, J.D. … Campbell, J.D. (1972): Alberta …
Feb 28, 1965
Open File Report
… than 100 feet of overburden. … Campbell, J.D. … Campbell, J.D. (1965): Strip …