DUSTING C'OTTOX FROM AIRPLANES. 
11 
Like all the country in the so-called "Mississippi Delta" district, 
the Shirley plantation is absolutely flat and consists of a large clear- 
ing irregularly surrounded bv timber, with some fields out in the 
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open and others tucked back into the timber line. The treatment of 
these different fields gave valuable information on the problems 
which will be presented by different conditions when attempts are 
made to dust from the air. 
