206 



Sunnnaru. In I'arke, N'tTinillidii and \\'j.u counties the Wabash Valley 

 is bordered by massive alluvial terraces, wliich alternate from one side to 

 the other, but overlap. They were deposited by a loaded, shifting, braided 

 stream, (Fig. 8) changing rapidly in volume and speed, and represent tlie 

 outwash frt>m the waning Wisconsin ice sheet. They are remnants of a 

 once more extensive deposit which tilled the valley from bluff to bluff to 

 tlie heiglit of the terrace tops. The jiresent Himd plain is the valley cut out 

 of this deposit by a stre.-im (if lari,'cr voluiui'. smaller lead and possiiily 



Figure 8. A Temporary Loaded and Braided Stream in a Gravel Pit. ' 



greater fall and sjieed tluiii the glacial Wabash. The outlet of glaci.nl lake 

 Maumee would f;iii1\ meet these re(niireu)eiils. 



II. 



rilK i;\((()0\ VAI.II V. l'Al!KK. (OlMV. I.M). 



l>ig Itaccoon Creek I'ises in i'.oone County and Hows southwest across 

 iMontgoinery. I'utnaui and Parke counties to Kosedale. a distance in a 

 straight line of about \7t miles. .Near Ifi^sedale it turns to ,i little w(>st of 

 north and tlows I'J miles to its Junction with the W:ibash. Its upper course 



