The sun was sinking low beyond the ford of the foaming Platte. The distant bluffs commanding the broad valley of the Sweetwater stood sharp and clear against the westward skies. The smoke from the camp-fires along the stream rose in misty columns straight aloft, for not so much as a breath of breeze had wafted down from the far snow fields of Cloud Peak, or the sun-sheltered rifts of the Big Horn. The flag at the old fort, on the neighboring height, clung to the staff with scarcely a flutter, awaiting the evening salute of the trumpets and the roar of the sunset gun.
