Widespread Beartooth Butte Formation of Early Devonian Age in Montana and Wyoming and its Paleogeographic Significance
Charles A. Sandberg (2),Volume:
45
Year:
1961
Journal:
AAPG Bulletin
DOI:
10.1306/bc7436e1-16be-11d7-8645000102c1865d
File:
PDF, 1.06 MB
1961