RECORD OF PKOCEEDIXGS. 



183 



Ancient Fortification in Louisa Co. Iowa, 



BY KEY. ,J. (iASS. 



r Tills paper wa.s presented at the Deeeiiiber meeting. 1S80. — see page 147. 1 



In GrandYiew Township, Louisa County, lovva, on Mr. Heniy 

 Gasfs land, S. E. ^ Section 14, on the bluff, which facee eastward 

 and overlooks the Mississippi valley, a quarter of a mile back from the 

 edge of the bluff, are the remains of two eaith-walls extending- across 

 from one ravine to another, a distance of something over twentv rods. 







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The walls run in an east and west direction: the south one is 'l\ 

 rods in length, the north one "21 rods. They are parallel, and enclose 

 between them an area of two acres. The south wall is now six feet 



