SrECii'ic MAKKirriM. 1'k(ii;i.i;.ms 35 



thereof received by the Exchange, also as the seed from tlie crop pro- 

 duced from the seed furnished under this contract shall be ginned as 

 hereinbefore provided and the value thereof credited by the Exchange 

 to the Grower, the Exchange will first deduct from any such proceeds 

 and credits all or such oart of any sums of money or indebtedness as 

 it may deem best then owing by the Grower to the Exchange, and will 

 then pay any balance of such proceeds and credits, if any, to the 

 Grower, or to his successors or assigns. 



The several covenants and agreements of the respective parties 

 hereto shall extend and be binding upon their respective heirs, execu- 

 tors, administrators, successors or assigns. 



In witness whereof, the Grower has hereunto set his hand 

 and the Exchange has caused this agreement to be executed by 

 its President, attested by its Secretary, and its corporate seal to be 



hereto affixed this day of 1917. 



Grower 

 Tempe Cotton Exchange 

 By 



President 

 ATTEST : 



Secretary 



This interesting contract was sufficiently explicit to provide for 

 the perpetuation of a pure strain of Pima seed. An expert cotton 

 classer connected with the Bureau of Markets of the United States 

 Department of Agriculture, who spent several months in the Salt 

 River Valley in icjij. directed the classing of more than 1,000 bales 

 of cotton prior to December i. His investigations showed that the 

 Pima staple ranged in length from i^)-^ inches to i^ inches, averaging 

 I 11-16 inches. Yuma staple averaged Ys inch shorter than Pima. 

 Thfe greater length of the Pima staple doubtless will be a deciding 

 factor in future plantings. Buyers in 191 7 had little to guide them in 

 differentiating between varying lengths of staple. In general, how- 

 ever, Yuma cotton sold for from 2 to 6 cents per pound less than Pima 

 cotton of the same grade. 



The problem of securing labor for picking the 191 7 crop was a 

 very serious one. The Salt River Valley Cotton Growers' Association, 

 an organization of cotton producers, designed largely to care for labor 

 problems, undertook to solve the difficulty by bringing laborers into 



