314 



OMAHA SOCIOLOGY. 



or 'bales. The former were on the White River and in the region 

 of the Black Hills. The latter were in Nebraska, at the head of the 

 Platte. 



The fort had but one entrance. The situation was well chosen. The 

 embankment occupied the greater part of a semidetached bluff. In 

 front, and at one side, was the low bench of land next to the Missouri; 

 at the rear was a ravine which separated it from the next bluff, and 

 the only means of approach was by one side, next the head of the ravine. 

 Then one had to pass along the edge of the ravine for over 200 yards in 

 order to reach the entrance. The following sketch was drawn from 

 memory, and Mr. La Fleche pronounced it substantially correct : 



One 7rti?e to ih^ 

 Missouri Biver. 



Fig. 30.— Old Pouka fort. The Missouri River is north of it. 



