Vol. s4-43, Issue 255, 1917March 01, 1917 EDT
Note on the Age of the Scranton Coal, Denver Basin, Colorado
Note on the Age of the Scranton Coal, Denver Basin, Colorado
George Burr Richardson,
Richardson, G. B. (1917). Note on the Age of the Scranton Coal, Denver Basin, Colorado. American Journal of Science, s4-43(255), 243–244. https://doi.org/10.2475/ajs.s4-43.255.243