OMAHA, NEBR. TER., August 20, 1864.
Brigadier General ROBERT B. MITCHELL:
Lieutenants Schenck and Williams leave this morning. First Nebraska arrived at columbus at 9 p. m. last night.
OMAHA, August 20, 1864.
Colonel R. R. LIVINGSTON,
Columbus (or next telegraph station):
McClellan left 19th; Ribble and Curran 18th. Weatherwax, retained here by Major Blacker, goes to-day with detachment of twenty men. Communicate at telegraph stations with General Mitchell, at Kearny.
FORT LEAVENWORTH, August 20, 1864.
Colonel J. M. CHIVINGTON,
Your dispatch of yesterday received and forwarded to General Curtis. Ammunition train (nine wagons) for Denver loaded on the 12th instant; probably by this time somewhere in the vicinity of Marysville.
C. S. CHARLOT,
Major and Assistant Adjutant-General.
MILWAUKEE, August 20, 1864.
Please keep me advised frequently of the condition of affairs on the frontier. I trust you have already written. A full regiment is on its way to this department. If necessary, I will send some of them to Minnesota.
HDQRS. DIST. OF MINNESOTA, DEPT. OF THE NORTHWEST,
Saint Paul, Minn., August 20, 1864.
Major General JOHN POPE,
Commanding Department of the Northwest, Milwaukee, Wis.:
GENERAL: I have the honor to state that no further information has been received relative to Indian outrages, although there is no reason to doubt that a body of warriors more or less formidable in numbers is on this side of the Big Sioux River, waiting an opportunity to strike at some unguarded point. The available force I have has been distributed so as to protect as many points as possible, but I have so large a portion of my cavalry engaged in escort duty between Forts Ridgely and