LANGENBERG, C.W. ET AL.
Deformed Lower Cretaceous coal-bearing strata of the Grande Cache area, Alberta.
1987. Alberta Research Council Bull. 56; 54 pp. 31 fig./phot. 3 fold. & col. plts. in pocket, incl. col. geol. map 1:15,000. Orig. wrps. in plastic folder, very good, 4to. Comes with: Langenberg et al.: Coal quality variation in the Cadomin-Lusca coalfield, Alberta Res. Council Earth Sci. Rep. 89-1, 85 pp. 34 plus figs. very good.
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