Page:Climatic Cycles and Tree-Growth - 1919.djvu/6

This page has been validated.

CARNEGIE INSTITUTION OF WASHINGTON

Publication No. 289

PRESS OF GIBSON BROTHERS, INC.,
WASHINGTON, D. C.

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Climatic_Cycles_and_Tree-Growth_-_1919.djvu/6&oldid=7691264"