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Description
Text beneath Photo No. 33370 reads: Note the numerous screw jacks used to raise the slip forms. Text beneath Photo No. 33371 reads: Placing the concrete in the slip-forms. Much of the concrete had to be shovelled from the buggy by hand because of the small forms and difficulty of getting around jack screw frames.
Business and Industry Poultry Producers of Central California 1937 Construction projects Concrete construction Grain elevators United States California Sonoma Petaluma East Washington Street
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