376 



Illinois Natural History Survey Bulletin 



Vol. 23, Art. 3 



the other extending north-northwest. Sur- 

 face water entering the smaller arm drains 

 from a cultivated field, and that running 

 into the main arm drains from a pasture 

 and barnlot, the latter located about 200 

 yards from the lake. The entire drainage 

 area is not more than 15 or 20 acres. 

 The banks of the ravine in which Onized 



Lake was built are relatively steep except 

 toward the upper ends of the two arms, 

 resulting in little shallow water along 

 most of the shore line. Soundings indi- 

 cate a maximum depth of 21 feet in the 

 southwest part of the lake near the dam, 

 and much of the lake is from 10 to 14 feet 

 in depth. The average depth is approxi- 



ONIZED LAKE 



AND 



ONIZED CLUB GROUNDS 



(NORTH SECTION) 



AREA OF LAKE - 2 ACRES 



DRAINAGE 



FROM 

 BARNVARD 



Fig. 1. — Map of Onized Lake and the north section of the recreation area used by the Owens- 

 Illinois Glass Company employees. Fishermen entering and leaving the lake are readily checked 

 by the custodian at his headquarters. 



I 



