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>Notes on methods and costs California crop production, with tables showing work capacity of farm machines; day's work for man and crew; costs of equipment, implements, building and fencing material; rate of depreciation [comp. by R.L. Adams.
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Notes on methods and costs California crop production, with tables showing work capacity of farm machines; day's work for man and crew; costs of equipment, implements, building and fencing material; rate of depreciation [comp. by R.L. Adams.
