METHODS OF MAP MAKING 



127 



COMPASS AND PACING TRAVERSE OF ROAD ACROSS SAME SECTION. 

 ELEVATIONS READ FROM FOOT SCALE OF BAROMETER 



6. There is occasionally a locality especially critical 

 from the lumbering point of view, such, for instance, as a 

 pass which makes it possible to haul from one drainage to 

 another with a level road. The topographer ought to be 

 enough of a lumberman to recognize these points, and 

 when he does he will put special time and pains upon them. 



7. Field observations may be recorded either in the form 

 of running notes, or mainly in the shape of sketches on a 

 plat of the ground. Probably a combination of the two 

 methods will be found most satisfactory. A note book 

 especially ruled for the purpose to the same scale as the final 



