This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Yellowstone Valley Reveals Rare Geologic Record of Creation and Destruction
Ray B. Colton outlines Yellowstone County geology from the Yellowstore river valley to the Bull Mountains. He describes formations including Eagle sandstone, Claggett and Judith River beds, Bearpaw shale, Lance formation, and Fort Union. notes syncline shaping, coal beds baked by heat, and erosion resistant sandstone preserved in the Bull Mountain syncline. Colton promises further detail in upcoming installments.
MENTIONED IN THIS ARTICLE
Yellowstone County
Nature
Yellowstore
Eagle Sandstone
Billings
Colorado
Hunteley
Eagle
Pompey's Pillar
Bull Mountains
Yellowstone
Musselshell
Treasure
Bull Mountain
Fort Tnion
Bull Range
Fort Union
Lance