time USG wrote to him, was chairman of the Committee on Military Affairs and the Militia.
Memphis [July] 2d 
MAJ GEN HALLECK
It seems that supplies for the Army from here to Lagrange must go from this place. to render the trains secure a larger Cav. force than I now have is required. At present it is necessary to use Infy. for this duty.
U. S. GRANT
Telegram received, DNA, RG 94, Generals' Papers and Books, Telegrams Received by Gen. Halleck; copies, ibid., RG 393, USG Hd. Qrs. Correspondence; ibid., Dept. of the Miss., Hd. Qrs. in the Field, Telegrams Received; DLC-USG, V, 4, 5, 7, 8, 9, 88. On July 1, 1862, Maj. Gen. Henry W. Halleck telegraphed to USG. "Passes to go south, except for military purposes, must come from Washington. No forces can be sent you from here. On the contrary it may be necessary to withdraw Hurlbut or Sherman & abandon the line between here & Memphis. Col Keeny will be ordered to report to Col Hoffman Supt of Prisoners of war to effect the exchange. I have no engineer officer to send you at present. It is evident that Wallace's division cannot be removed from Memphis till Sherman's or Hurlbut's is sent to that vicinity, & one is insufficient to defend the road. It is possible that we shall be obliged to abandon the rail road entirely. I will wait tefor further orders from Washington. Perhaps the Secty of war may be induced to