REPORT OF INVESTIGATIONS No. 42


Elevation: 140.6


W\oter -taloge ond
rainfall recorder


3


 LAKE HELENE
 ( Polk County )
200 0 200 400 690 80
1 1 I 1 I I I


0 feet


Dote of survey: March 28, 1962
 Contour Interval: 5 feet


(Alter Kenner, 1964)


Figure 50. Map of Lake Helene showing depth contours and locations of
 data-collection equipment.


103