372 H. L. FAIRCHILD — GLACIAL LAKES OF WESTERN NEW YORK. 



Church divide about 35 feet, as determined by hand level, or at an alti- 

 tude of 1,020 feet. The same terrace farther north, as measured by the 

 engineering department of Cornell University, is from 1,014 to 1,028 feet. 

 The lower terrace has not been measured. 



Figure 2..— Delta Terraces in Cayuga Inlet Valley. 



Comparison of Terrace Levels. — In the Inlet valley the deltas of all the 

 streams show conspicuous but not large terraces. For their illustration 

 the writer is permitted by the courtesy of the United States Geological 

 Survey to use the unpublished Ithaca sheet which covers the Inlet valley, 



eAST SIDE STREAMS. 



Licit • BUTTCKMlUt 



WEST SIDE STREAMS. 

 WeST BRANCH BUTTe/rHUT. 



eoy CLEN. 



Si. or CjKruB>K Cah£ 



Figure 3. — Approximate Height of Terraces in Cayuga Inlet Valley. 



but not the Six Mile creek valley. Upon each of the four principal 

 deltas, namely. Coy Glen, Butternut, and West Branch upon the west 

 slope and Buttermilk on the east slope, the best developed terrace is shown 

 in every case at the delta-summit, and is bounded at the lower edge, with 



