ters and sought the Yankee lines.
Following the example of Butler, Magruder set the contrabands to work on his chain of fortifications, extending from Yorktown (on the York River) south-westwardly along the banks of the shallow Warwick to Mulberry Point, on the James River — a distance of about nine miles. The distance from Yorktown to the head-waters of the Little Warwick was about five miles; the land was low, fiat, and marshy, unprofitable alike to friend or foe; but on the point where thwinter, the depth was generally not more than three feet.
The character of these various works was admirable, and exactly suited to the topography of the immediate district.
Yorktown itself, our left, was of immense strength, as was also Mulberry Point, the extremity of our right wing; Lee's Mills was considered the centre of the line.
As the enemy would be necessarily obliged to cross or cut the various dams in approaching to attack, these points were protected by batteries of various cal