Semi-Centennial Volume. 



123 



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

 Inches 



PLATE X. 



"IG. 9. Kviipoiation curve for July, 1917. 



Inches 



PLATE Xr. 



5 1 10 IS JO is 30 /f/7 



Fio. 10. Evaporntion curve for .\uKust, 1917. 



