Fig. 98. — The unshaded portion shows the glaciated area; but at Tuscumbia numerous 

 Canadian bowlders are found in the upper gravel terraces bordering the Osage river. 

 (See fig. 97, p. 318.) These could have come into this place only by the agency of 

 back water bearing ice floea from the glacial floods of the Missouri as described in 

 the text. 



