LIST OF ILLUSTRATIONS 
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Fig. A. 
Fig. B 
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1. Lake Michigan-Huron Drainage Area, showing Meteorological and Sydrographio Stations. 
2. Barometric Points around and Centers of Gravity of Lakes Superior and Michigan-Huron. 
3. Nodal Lines and Depths in Lake Superior. 
4. Lake Superior Drainage Area, showing Meteorological and Hydrographic Stations. 
5. Mass Curves of Computed Evaporation and of Observed Fall of Surface of Lake Michigan- 
Huron. 
Mean / 
6. Evaporation Curves. First and Second Differences of — . 
Mean e 
Comparison of Freeman's (or Meyer's) Evaporation Curve with those Developed in this Investi- 
gation (Page 123). 
Comparison of Evaporation Curve Developed in this Investigation with those of Ahassia, Fitzgerald, 
Carpenter and Stelling (Page 128). 
7. Area, Topography, etc., of Watersheds A and B. 
8. Run-off curves of Streams A and B. 
9. Hydrographs, etc., of Stream A for 1912. 
of Stream A for 1913. 
of Stream A for 1914. 
of Stream A for 1915. 
of Stream B for 1911. 
of Stream B for 1912. 
15. Hydrographs, etc., of Stream B for 1913. 
16. Hydrographs, etc., of Stream B for 1914. 
17. Hydrographs, etc., of Stream B for 1915. 
18. Mean Duration Curves of Stream A, 1912-1915. 
19. Mean Duration Curves of Stream B, 1912-1915. 
20. Frequency Ratio Curves. 
21. Mean Frequency Ratio Curve. Cross-sections of Divides. 
22. Net Melting, G — D', Freezing Melting and Frequency Curves. 
10. Hydrographs, etc. 
11. Hydrographs, etc. 
12. Hydrographs, etc. 
13. Hydrographs, etc., 
14. Hydrographs, etc. 
