? 'graphic atlas of the I nited States. This work h as been j 
' essions. • v ’ ° 
h is topographic atlas is published in the; form of ma, s o: • 
measurih g ab °ut 161 by 20 inches. Under the eneral 
- ado P ted Uie country is divided into quadrangles bounded 
-aeh map being that which is best adapted to general use ii 
lard -maps^are of nearly uniform size, they represent' areas 
nereu t sizes. < m the lower margin of each map are printed 
‘ion, the scale of the map is shown by a fraction ex rearing 
IP 1 
1 and Published on special scales lor special ;pu rpoees ti e 
tare topographic surveys for the L nited States groper and 
