HEADQUARTERS DEPARTMENT OF PENNSYLVANIA, June 28, 1861

Hagerstown, Md., June 28, 1861.

Respectfully forwarded to the headquarters of the Army. The enemy have collected in large numbers on the Virginia side of the Potomac.

Cmr.IX] = CORRESPONDENCE, ETC.—UNION. 729

The crossing at or near Harper’s Ferry was to secure a large quantity of provisions seized by the force at Frederick, and to hold that place of

entry for provisions. R. PATTERSON, Major-General, Commanding.