Lignitic formation, Rocky Mountains, age

You have access
On the age of the lignitic formation of the Rocky Mountain region
Fielding Bradford Meek

American Journal of Science December 1874, s3-8 (48) 459-463; DOI: https://doi.org/10.2475/ajs.s3-8.48.459
You have access
On the age of the lignitic formations of the Rocky Mountains
Leo Lesquereux

American Journal of Science June 1874, s3-7 (42) 546-557; DOI: https://doi.org/10.2475/ajs.s3-7.42.546
You have access
Age of the Rocky Mountain coal or lignitic formation
Leo Lesquereux

American Journal of Science December 1873, s3-6 (36) 441-450; DOI: https://doi.org/10.2475/ajs.s3-6.36.441

Main menu