Xll 



Contents 



CHAPTER XIII 



HISTORY OF THE FOREST 



Development in Germany, 277 the North American 

 experience, 282 Forest Service in the United Stales, 

 287 development of forests in Canada, 292 



FOREST INFLUENCES 



CHAPTER XIV 



Influence on precipitation, 302 on run-off, 302 

 erosion, 308 lessening of evaporation, 312 



PAGES 



277-300 



301-320 



CHAPTER XV 



TABLES AND RULES 



Relative hardness of woods, 321 fuel value and 

 weight of dry wood, 322 weights of cord wood, 324 

 land measure, 324 weight per 1000 of seasoned lum- 

 ber, 325 well-seasoned fuel, 325 cord wood on an 

 acre, 326 shape of the ax, 327 tables of growth, 

 328 yield tables, 331 volume tables, 333 table 

 showing durability of fence posts, 337 



321-337 



