18 THE USE BOOK. 



in any public land State jgr Territory, lands wholly or 

 -ia partcQvered with timber or undergrowth, as public 

 reservations. Under the authority of th"is" t act_pr_acti- 

 cally all ^fjthe^existing -National Forests have been 

 CTeafecT Congress ma^ however, take such action, ancl 

 has done join a few j^asejj. (Appendix, p. 214.) 

 fri an amendment to the agricultural appropriation bill 

 approved March 4, 1907^ it is provided that "hereajter 

 no forest reserve shall be created, nor shall any^ad- 

 dition be made to one heretofore created within the 

 "Umits of the States of Oregon, Washington ^ Idaho. 

 Montana, Colorado,or Wyoming^ excepjjby act of |Qon- 

 gress7 r The power of the President to create or en- 

 large National Forests in other States and in the Terri- 

 tories is unimpaired. 



The boundaries of the earlier Forests ^ere not always 

 In 1903 the need of better choice of 



Forest boundaries led to the establishment of a force 

 of trained^nen devoted exclusively to thisjwprk, under 

 a uniform and complete system of field study and re- 

 port. The results were satisfactory, and the system re- 

 mains in effect. Before any National Forest is created 

 or any change is made in the boundary of an existing 

 Forest, a member of the Forest Service familiar with 

 the work and with western conditions niakes a careful 

 investigation, not only of the lands, but also of the 

 interests involved. The claims of all industries and 

 classes of residents are weighed, in order that no injus- 

 tice may be done. 



The region is carefully mapped and desciubgd, and 

 the boundary of the Forest is drawn to include only 



