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Expenses, | | | | | |Depth of | Projected |Cost per | in | Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. | £ | | | |Diameter of | | | |Part of stroke | | | | | | | | | | | | | | | | | | | | Southern States, the democrats have a small pulley, P, at.