Vol. s4-49, Issue 291, 1920March 01, 1920 EDT
Type Section of the Morrison Formation
Type Section of the Morrison Formation
Willis Thomas Lee,
Lee, W. T. (1920). Type Section of the Morrison Formation. American Journal of Science, s4-49(291), 183–188. https://doi.org/10.2475/ajs.s4-49.291.183