PLATE XXXVII. 
TRANS. AM. SOC. CIV. ENGRS. 
VOL. LXII, No. 1098. 
CHITTENDEN ON 
FORESTS, RESERVOIRS, AND STREAM FLOW. 
Fic. 1.—SNow In Forest, YELLOWSTONE PARK, JUNE 137TH, 1899. ALTITUDE, 8 200 FT. 
Fic, 2.—Snow-Drirt, YELLOwsrone Pare. JUNE i38tH. 1899. ALTITUDE, 7 800 FT. 
