' -i Helow i to a sq. mile. 



EB1 i to 4..." ". ... 



I 4 to 8..."...." 



H 8to 15..." " 



I 15 to 25.. ' 



HI 25 and over 



NOTF. The absence of color 

 indicates a population of less 

 than 2 to a square mile. 



