Study of subbituminous and lignite coals of Tertiary age within the Tyonek Formation in the Susitna lowland of south central Alaska.Petrographic samples taken at intervals within seam. ii aii Samples of gradational zones of burn material. ... of portions of seam) I (channel) Site code B4l BBl CpCl CnCl CnC- CnCI CnC4 CnC0 CnC0 CnC0 CnC0 CGI CG- CGI CG4 CG0 Cl C-anbsp;...
|Title||:||Coal resources of the Susitna lowland, Alaska|
|Author||:||Roy D. Merritt|