TELEGRAM FROM GENERAL HALLECK TO GENERAL WALLACE.

WASHINGTON, July 9, 1864. 11.57 P.M.

MAJOR-GENERAL L. WALLACE, Commanding Middle Department:

I am directed by the President to say that you will rally your forces and make every possible effort to retard the enemy's march on Baltimore.

H. W. HALLECK, Major-General and Chief of Staff.

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