Nature, 184, 1310 (Oct. 24, 1959). Kulp, J. L., Program 1959 Annual Meeting, Geol. Soc. America (Nov. 2, 1959). Holmes, A. (personal communication, Oct. 6, 1959 ...
The next step to improve the Geological Time Scale is to provide an astronomical calibration of the Paleogene period that covers the past 23-65.5 Myr. This will require both an extension of ...
During this time, collection visits will be available by appointment and other special access requests will be considered on a case-by-case basis. Please email cumuseum@colorado.edu for more ...
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