Geologic Calendar (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Geologic Calendar" in English language version.

refsWebsite

Global rank English rank

6^th place

6^th place

3,273^rd place

2,108^th place

low place

low place

archive.org

Carrington, Richard (1956). A Guide to Earth History. Penguin Books. p. 64-65.
Hambidge, Gove (1941). Climate and Man. p. 7.
Muir, Ramsay (1940). Civilization and Liberty. Jonathan Cape. p. 15.
Robinson, James Harvey (1921). The Mind in the Making. Harper & Brothers Publishing. p. 82-83.

timetoast.com

"Geologic History Compressed into 1 Calendar Year". Timetoast. 2010. Retrieved 2013-06-03.

uky.edu

Kentucky Geological Survey (2011). "The Geological Time Scale v.3" (PDF). Kentucky Geological Survey. Retrieved 2013-06-03.