P-ISSN 0002-9599
E-ISSN 1945-452X
Vol. s5-12, Issue 69, 1926September 01, 1926 EDT
The Age of the Morrison Formation
The Age of the Morrison Formation
George Gaylord Simpson,
Simpson, G. G. (1926). The age of the Morrison Formation. American Journal of Science, s5-12(69), 198–216. https://doi.org/10.2475/ajs.s5-12.69.198