Semi-Centennial Volume. 



119 



Trans. Kansas Acad. Sci., Vol. XXIX. 



Incfie* 

 700 



600 



PLATE II. 



7 ' 



S /O IS J.0 IS 



Fig. 1. Evaporation curvf for August, 1916. 



X<n.f 

 Inchet 



PLATE III. 



St ft. I S 10 /S 3X> 2S 30 I9l(, 



Fig. 2. Evaporation curve for September, 1916. 



