Bags have been used as standard measures for a variety of commodities which were actually supplied in bags or sacks. These include: * Cement which is commonly sold in bags of 94 pounds weight because this is about 1 cubic foot of powdered cement. * Agricultural produce in England was sold in bags which varied in capacity depending on the place and the commodity. Examples include: * a bag of wheat in Staffordshire would contain 3 Winchester bushels while a bag of oats would contain 6 standard bushels. * in the West Country, apples would be sold in bags of from 16 to 24 gallons. A measure of 24 gallons was known as the Cornish bushel. * Bags are used as units by the National Agricultural Statistics Service of the United States Department of Agriculture for the following commodities