Results: 1 - 4 of 4
Dec 31, 1986
Bulletin
… and development of the Smoky River coal field and other coal …
Dec 31, 1967
Bulletin
… siltstones and andstones of river channel and floodplain …
Dec 31, 1974
Bulletin
… of the city where the Belly River and Bearpaw Formations are … and bentonite beds. The Belly River Formation consists of … deposited along these ancient river channels are termed …
Dec 31, 1960
Bulletin
… of the Upper Cretaceous Belly River formation. The iron-rich …