Table 2. Water Area Index - Southern Manitoba - July Aerial Survey 

Ponds in - Ponds in Total in 
Year Stratum "A" Stratum "B" Strata "A" and “B" 
1954 4.72, 400 384, 200 856, 600 
1955 339, 300 270,900 610,200 
1956 425,900 411,600 837, 500 
1957 241,700 259, 700 501, 400 
1958 163, 300 341,000 504, 300 
1959 99» 200 324,500 420,000 
sere 59 289,700 - 332,000 621, 700 
ee 
LL? 
