[2]Ages of more than 150 and less than 6,000 years cited in this report are based on radiocarbon determinations which have been corrected by the use of a C₁₄ half life of 5,730 years and for variations in atmospheric C₁₄ (H. E. Suess, written communication to Meyer Rubin, 1968). [3]For more information about glaciers read “Glaciers” by Robert P. Sharp, published in 1960 by the University of Oregon at Eugene. [Illustration: DEPARTMENT OF THE INTERIOR · MARCH 3, 1849] Transcriber’s Notes --Copyright notice provided as in the original—this e-text is public domain in the country of publication. --Silently corrected palpable typos, leaving non-standard spellings and dialect unchanged. --Only in the text versions, delimited italicized text (or non-italicized text within poetry) in _underscores_ (the HTML version reproduces the font form of the printed book.) End of the Project Gutenberg EBook of The Geologic Story of Mount Rainier, by Dwight R. Crandell