Statistics for occurrence #1 of “Major Osterhaus” in chapter 2 of Col. John M. Harrell, Confederate Military History, a library of Confederate States Military History: Volume 10.2, Arkansas:

...nfantry in advance, Major Osterhaus' battalion of Missouri volunteers following with Captain Totten's battery. At about 4 o'clock a. m. the enemy's picket was reached, and fled upon our approach. Major Osterhaus ' battalion was then sent on the right as skirmishers, Captain Plummer being on the left, and the First regiment Missouri volunteers, under Lieutenant-Colonel Andrews, brought forward to the support o...
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