xii CONTENTS. 



PAGES. 



Effect of Fire on Forest Production. BY GIFFORD PINCHOT, . . 109-123 



The Original Timber 109-110 



Second Growth no 



Conclusions from Valuation Surveys, 110-112 



Descriptions of Representative Areas, 113 



Original Forest at Winslow, ,...'. 113-115 



Original Forest at New Lisbon, 115-116 



Second Growth at Whitings, 117-119 



Pine Sprouts at Whitings 119-120 



Second Growth After Fire, . . 120-123 



The Plains. By GIFFORD PINCHOT, . . . t| . '.. ...'.. , . 125-130 



Age of the Pine, 126-128 



Cause of Present Condition, 129-130 



Silvicultural Notes on the White Cedar. By GIFFORD PINCHOT, . 131-135 



Situation, 131-132 



Reproduction, -! 132 



Growth, 132-134 



Yield > . 134-135 



Forests and Water-Supply, ; . . -. -.' ', -. . . . 137-166 



General Statement, 137-138 



Effect of Forests upon Evaporation, 139-152 



Effect upon Maximum and Minimum Flow of Streams, . . . 152-165 



Effect on the Purity of the Water, 165-166 



Forests and Climate, 167-172 



Part IL 



The Relation Between Forestry and Geology. By Arthur Hollicfc. 



Letter of Transmittal, 175 



I. Existing Conditions, 177-193 



Object and Scope of Report, . 173-179 



Method of Investigation Pursued, 180-181 



Facts Ascertained 181-190 



Discussion of the Facts 190-193 



II. Historical Development, 193-201 



Preliminary Discussion, 193-194 



Mesozoic Time, . 194-199 



Triassic Period, 194 



Jurassic Period, . 195 



Cretaceous Period, !95~i97 



Neozoic Time, 197-199 



Tertiary Period, 197-198 



Quaternary Period, 198-199 



Concluding Remarks, 199-201 



