army installations situated along the byil, the fort was commanded henry carrington. >> carrington was hired to build the fort and he decided to put the fort in a location where we are today and set of moving it up north sheridan of the river. we've had strategists come through that have said this is strategically smart location to place the fort, it has natural benches and carrington had drawn out the plan before he came west and he decided this was going to be the best place for it. july and on his way, read cut delivered the message that he will have the fight every day that the military is here and it is at that point that keratin really realizes how in over his head he is. they think they are at peace. ofy understand the history nominated expansion in the west. by 1866, he had heard the story of how all the tribes have been dispersed throughout north -- when randindy allying, hes in asked them together and make a very strong showing against the fort. we think there was an attempt on december 19 where there were probably 1500 disappointed warriors, but on that day, for carringtonas