From CGI member oldmaninthedesert:

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Continuing with The Heart of Everything That Is, the story of Red Cloud, an American Legend.

.... Sitting Bull was angry. A month earlier, about when Red Cloud fell on Bridge Station, Sitting Bull’s Hunk papas had tried to pick a fight with the garrison stationed at Fort Rice in North Dakota. The timing was serendipitous. The Indians had not planned the simultaneous raids; it was merely the season. But Sitting Bull had even less success than Red Cloud. Geography was his downfall.

A year earlier, in the wake of his victory on the Upper Knife, General Sully had ordered his engineers to construct the fort on a steep plateau overlooking the west bank of the Missouri. The plain surrounding the outpost was sketched with low, sageen crusted bluffs broken only by dark ravines running to the horizon. As Sully had planned, the soldiers on the parapets could see for miles in every direction, and when Sitting Bull’s decoys appeared before their gates the lookouts had no trouble making out the main body of 400 to 500 Hunk papas and Dakotas trying to conceal themselves behind the distant buttes. The post commander formed a defensive skirmish line along the riverbank that furled around the stockade’s cottonwood walls, but refused to allow his men to go any farther. The Sioux made one frantic charge, loosing a storm of arrows and musket balls, but fell back under an American artillery bombardment. At this post, unlike Bridge Station, there was no wagon train in need of rescue. The soldiers held their position, and their howitzers kept the Sioux well out of arrow and musket range. Sitting Bull led a sullen retreat.

When a month later his outriders spied the billowing dust clouds of Colonel Cole’s force meandering not far from where the Powder empties into the Yellowstone, Sitting Bull and his frustrated Hunkpapas jumped them like angry badgers.

https://exploringrealhistory.blogspot.com/2019/07/part-9-heart-of-everything-that-isburn.html