Page:Climatic Cycles and Tree-Growth - 1919.djvu/17

 {|
 * ||DOUGLASSPLATE 1
 * | A
 * Climatic Cycles and Tree-Growth Plate 1A.jpg
 * | B
 * Climatic Cycles and Tree-Growth Plate 1B.jpg
 * }
 * | B
 * Climatic Cycles and Tree-Growth Plate 1B.jpg
 * }

A. Bottomless pits near Flagstaff, illustrating drainage through limestone.

B. Yellow pine forest of northern Arizona.