24 BULLETIN 277, U. S. DEPARTMENT-OF AGRICULTURE. 
position roofing and supported by eight posts. Six of the posts 
should be 4 by 4 inches by 64 feet long and the other two should be 
4by 4inches by 27 feetlong. Three posts shouldbe placed at each end, 
supporting the eaves of the shed, which should extend within 4 feet 
of the ground. Two posts in the middle of the shed should support 
a 2 by 6 inch ridgepole. All posts should be set 12 inches in the 
sround. The sides and ends of the sheds may be open if not exposed 
within 100 feet to a railroad main line or open-end switch tracks. It 
is recommended, when feasible, that- composition roofing should be 
Fic. 8.—Emergency sheds—single unit. 
used to inclose the ends of the shed from the peak of the roof down to 
within 4 feet of the ground, in order to protect the cotton entirely 
from weather. Metal sheets should not be used for inclosing the ends 
or sides of sheds. (A single unit, or shed, is shown in figure 8.) 
Arrangement of cotton.—Cotton to be stored in sheds (units) should 
be arranged in two tiers (see fig. 11), the bales forming each tier being 
placed end to end. No tier should exceed 36 bales. The bottom 
layer of each tier should contain 8 bales. Each layer from the 
bottom up should contain 1 bale less than the layer next below, no 
tier being more than 8 bales high. The total number of bales in any 
shed or unit should not exceed 72. 
The tiers should be supported on stringers, as follows: There should 
be three 4 by 4 by 10 inch mud sills laid on the ground crosswise with 
the shed and lengthwise with the bale or at right angles to the line of 
ticrs. (See figs. 8 and 11.) These in turn should support four 4 by 
6 inch by 15 foot stringers laid at right angles to the mud sills 
and spaced about 3 feet apart sd as to properly support the bales. 
(Four of these stringers are required for each tier, as it requires two 
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