Bul. 1098, U. S. Dept. of Agriculture. PLATE V. 
Fig. 2.—Looking up channel of Bayou Walnut during the work of clearing, from point 300 yards 
above site of dam. 
Fig. 3.—Looking up channel of Bayou Walnut from site of dam, after channel has been cleared 
and undergrowth piled along banks. 
IMPOUNDING WATER TO CONTROL MALARIA MOSQUITOES. 
