570 GLACIAL FORMATIONS OF ERIE AND OHIO BASINS. 



Tahle of altitudes along the Fort Wayne moraine — Continued. 



Greenwich, high points southeast of . . 



Greenwich 



Plymouth 



New Washington 



Summit near Chatfield 



In Sandusky Basin 



Near Dunkirk 



Dunkirk, Ohio, one mile north of 



Lima, Ohio 



Two miles south of Spencer ville 



Ohio City, Ohio, south of. 



Decatur, Ind., east of 



Adams and Allen counties line, near. . 



Fort Wayne, southeast part of . 



Fort Wayne (court-house) 



In lake outlet, head of Maumee River 



West of Hicksville, Ohio 



Crossing of Baltimore and Ohio R. R . 



Bryan, Ohio, west of 



Hudson, Mich , 



Estimated 



Big Four R. R 



Baltimore and Ohio R. R 



Northern Ohio R. R 



Northern Ohio R. R 



Estimated 



Pittsburg, Fort Wayne and Chicago R. R. 



Estimated 



Several railways : . 



Miami Canal Survey 



Estimated 



Chicago and Erie R. R 



Grand Rapids and Indiana R. R 



Estimated 



City engineer 



City engineer 



C. R. Dryer 



S. W. Hartwell 



Lake Shore and Michigan Southern R. R 

 Lake Shore and Michigan Southern R. R 



Feet. 



1,125 



1,037 



993 



999 



1,017 



850-925 



950 



975 



875-885 



872 



875 



862 



8-46 



820 



1T2 



737 



849 



902 



873 



945 



TOPOGRAPHY. 



The well-defined crest which this morainic belt displays constitutes 

 the most marked as well as most constant feature, yet it is seldom sharply 

 ridged. In places sharp knolls 10 to 20 feet in height occur, but they 

 ai'e not a common characteristic feature, the greater jDart of the surface 

 being very gently undulating with oscillations of but 6 to 10 feet in a 

 distance of 10 to 20 rods. Shallow basins are common, but they are usually 

 saucer like in form, and seldom have the depth or the abrupt borders of the 

 basins in knob-and-basin morainic topography. 



The variations in topograph}' will appear in the description wliich 

 follows. This description begins at the eastern end, near the Cuyahoga 

 Valley, and passes westward along the moraine. On the uplands east of 

 the Cuyahoga Valley south of Medina the moraine consists of a swell-and- 

 sag tract, in which few swells exceed 16 feet in height, though there are 

 many ranging from 8 to 10 feet. There is a slight tendency to ridging in 



