... or three or four times their numbers and class) are the guns in mask about one-quarter to one-half of a mile this side of Yorktown, which position I point out to Col. Key. The enemy are still on Gloucester Point — how strong I cannot say. So long as he holds that formidable work (or, indeed, upper and lower work) we surely cannot command the York river. All the gunboats of the navy would fail t...