THE USE BOOK. 



181 



mile wbe^^ra^ingjorjtimber trespass is likely to occur, and the 

 eivtire Jme where it runs through timber, should be plainly 

 marked with fore-and-aft blazes with two notches above to dis- 

 t ihguish them ffonTTrail blazes. n;npn J->lfT^ shnTilri he* s|pmppri 

 in tne center with the United States marking hatchet. None 

 oF"these~"marks shouTd~be~ used, however, until the lines are 

 definitely fixed and approved. 



... . . A/. 



No ... . j3 .. 



Mfff 

 R3W=T6N. 



\^m H 



= ON NORTH Al 

 = EAST 



FIG. 1. System of notching corners. \7 



Every notice posted must bear the name of the Forest and 

 the proper boundary,. Where the Fores? otiicers^can noT"locate 

 the boundaries of a Forest with sufficient accuracy, or the lines 

 of interior claims or holdings of any kind, the Forester should 

 be informed in order either that surveys may be made by the 

 United States Geological Survey, or that the lines may be 

 retraced by the Forest Service. 



