Page:Climatic Cycles and Tree-Growth - 1919.djvu/69

 {|
 * || DOUGLASS PLATE 7
 * | A
 * Climatic Cycles and Tree-Growth Plate 7A.jpg
 * | B
 * Climatic Cycles and Tree-Growth Plate 7B.jpg
 * }
 * | B
 * Climatic Cycles and Tree-Growth Plate 7B.jpg
 * }

A. Cutting sample from stump, Enterprise: D-22, age 3000 years.

B. Centennial stump, Enterprise, Cut in 1874: D-23, age 3075 years.