
I 
fae / 
ieee) , 
i 
y 
PU) 
es ee eS 
Hse // 
a, ee ee | 
eee ae 
a aa Proves 
Ce ey 

ll 
i 
ieee 
i 
4 

eet eoerope 
wot mete 

ig 
i 
yy 
Wf Ne Y 
ag 
Yl, 
! 

I 



OM 
< mn...” 
. a age ie : : My 
5 ae 
LT} 

we ele 2 Mee 
Pen ee ee 
eo 
ay = 4 
. 
Zz 
ae 
’ 
oe wae 
eee 
. q, a 
wah ere mee 
eee oF 
if 
of 
eo. £ 
oa f= 
ag 
" 
Uh 
qi 
Y 
ere hk 
= 
i 4 
cree . 
222 0G 
CORSON 
i 
( 
4 
eeal ¢ 
a eae wae 

~ 
DEWEY 
LM 
Ti 
Uy WA 
Ul 
I 
ee ee 
Vf 
Wie dA 
Wu 
FE 
- 
2 
Q 
ec 
ul 
2 
e 
4 
a 
< 
a 


: 
Fe 
Z/E + - 
- Pare 
ie ss 
o 
oe 
Wh 

| WY 
ee abe me 
x 
reas of primary importance 
Areas of secondary importance 
Ce ee a ee os 
~ ee ee ne 
ee wees 
ee oe rd 
a ee) 
see ees 
se ee ee 
Figure 1.--MAJOR DUCK-PRODUCTION AREAS OF THE PRAIRIE POTHOLE REGION IN THE UNITED STATES 
