Dawson F.M. Coal rank,distribution,and coalbed methane potential of the Lower Cretaceous Luscar Group,Bow river to Blackstone river,Central Alberta foothills / F.M.Dawson,W.D.Kalkreuth, 1994. - 52 p. - Текст : непосредственный.
Dawson F.M. Stratigraphy and coal resource potential of the upper cretaceous to Tertiary strata of northwestern Alberta / F.M.Dawson,W.D.Kalkreuth,A.R.Sweet, 1994. - 59 p. - Текст : непосредственный.