__ 
V 
_ 
y 
TOPO 
e United 
ve 
\ 
nr 
1 - «• 
work 
v 
been in 8 
graphic atlas of the U n: 
]ess' si»eellS82 : and its results consist o:0 pu 
4 ,than 40 per cent, of the country, ex. ive of cl: lying 
| 
1 - - - *■ - ^ ’ • •" ' f — - j -— or 
/'map (such as 1 inch, 1 foot, or 1 meter) represents, 62.o00 
lilar units on the earth’s surface. 
[The standard scales used on these maps are multiples of 
s 'fraction n^: Quadrangles in .thickly settled or uni os- 
or 
means that 1 unit on 
- 
im portent regions are mapped on a scale o. 
€ 2 , 300 ’ 
1 
m 
H ! 
o: 
an dfid 1 by parallels ot lati^tdo- aiic. meridians bfrlonghnde. 
L ese Quadrangles are mapped on different scales, the caU J 
ected for any quadrangle depending op its mu tine, a&l- its. T 
ihable - future^ development, and consult;r:-/.i i\ tLf 
Liard atlas sheets are of nearly uni orm size they-represent; 
Lwj graphic scales showing disfpnces in feet, meters-, and 
In addition, the scale of the map is shown by a repre- 
itative fraction expressing ‘a fi^dgrano betweefl p in^| 
asuiements on the map and corresponding distances; 
_ -• i ' t v _ ^ M 
ai 
