Naval Power of the United States.
The following enumeration of the vessels in the United States service will convey some idea of the power of the North:
Seven hundred vessels were employed in blockading our coast and guarding our rivers.
During the year 1862-63 there were 533 steamers, barges, and coal boats belonging to the United States on the Mississippi river and its tributaries; and at the same time the United States Quartermaster's Department chartered 1,750 steamers and vessels to aid Gen. Grant in his operations against Vicksburg. In short, there were 2,283 vessels, exclusive of iron-clad mortar boats, operating to capture Vicksburg. The actual siege commenced May 18, and ended July 4, 1863, embracing a period of forty-seven days.