Plate I. 



Fig. 1. — Topographic map of Buckeye Lake and vicinity; U. S. Geo- 

 logical Survey, 1907; contour interval 20 feet (6 m.) ; scale, 1 inch=l mile 

 (2.0 cm.=1.6 km.). 



icmi 



hiG. 2. — i.Iap of the "Big Swamp" of the Survey of IPUl. A number of smaller swamps of 

 which the largest is the Bloody Run Swamp are shown at the left. 



