<style face="normal" font="default" size="100%">The Society for Organic Petrology, seventh annual meeting, field trip no. 2, September 12-14, 1990 : coal measures of the Rocky Mountain front ranges and foothills (Cascade coal basin, Pocahontas - Moosehorn Creek coal basin, Cadomin - Luscar Coalspur coa</style>

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<style face="normal" font="default" size="100%">The Society for Organic Petrology, seventh annual meeting, field trip no. 2, September 12-14, 1990 : coal measures of the Rocky Mountain front ranges and foothills (Cascade coal basin, Pocahontas - Moosehorn Creek coal basin, Cadomin - Luscar Coalspur coa</style>