DISCUSSION: FORESTS, RESERVOIRS, AND STREAM FLOW 
476 
TABLE 18. 
. Mean pre- Flood stage Danger 
. First and second period pas Number of Average : A 
River. cipitation, Total days. considered | line stage, 
of record. ivinchios floods. y days. la Pook aneeek 
1882-1894 = 13 years. 38 66 46 143 11,00 
Ohio, at Wheeling, W. Va............5 
1895-1907 = 18 “ 38.08 59 188 14.40 22 36 
1886-1896 = 11 “ 39.76 30 55 5.00 
Monongahela, at Lock No. 4, Pa...... 
1897-1907 = 11“ 39,27 52 100 9.09 20 28 
1890-1898 = 9 “* 46.27 32 89 9.90 
Cumberland, at Burnside, Ky......... 1 
1899-1907 = 9 * 41,42 43 102 - 11,33 25 50 
1874-1890 = 17 40,18 39 92° 5.41 
Allegheny, at Freeport, Pa ........... 
1891-1907 = 17“ 35.28 58 1381 7.70 16 20 
{1875-1890 S17 52.10 32 164 9.65 
Tennessee, at Chattanooga, Tenn..... 
) 1891-1907 = 17 * 45.01 338 148 8.41 A 33 
1887-1897 = 10 ‘“ 36.87 17 3 7.30 
Muskingum, at Zanesville, Ohio...... 
1898-1907 = 10 ‘* 35,17 41 171 17,10 15 25 
Mr. Chitten- 
» den. 
