418 GLACIAL FORMATIONS OF ERIE AND OHIO BASINS. 



Zanesfield, near the head of Rush Creek and Mad River (which have a 

 common source in a swampy valley), is a well made by the Buckeye Port- 

 land Cement Company, which, as noted on page 366, penetrated 245 feet 

 of drift. The altitude of the well mouth is 1,261 feet above tide. On either 

 side of this valley, in hills that stand 200 to 27.5 feet above the well, the 

 rock surface is higher than the well mouth, being in places about 1,400 feet 

 above tide. The well was at the border of a marshy lake (now dry) whose 

 length was about 4 miles and breadth three-fourths of a mile. The cement 

 manufactured by this company is obtained from marl beds in this marsh. 

 The cement company made a boring for water three-fourths of a mile north 

 of the g'as boring and found no gravel iintil a depth of 100 feet had been 

 reached, thus showing that the beds beneath the marsh have not a uniform 

 structure. 



On elevated ground near the crest of the moraine east of Zanesfield 

 Joseph Outland has two wells which do not reach rock at depths of 50 and 

 56 feet, water being obtained in gravel below till. 



A well at Aaron Taylor's, at the head of Mormon Bottom, on low 

 ground but in line with the crest of the moraine, is 58 feet deep and does 

 not strike rock. From Taylor's farm water Hows eastward through Mill 

 Creek to the Scioto and westward to Mad River. The farm is located at 

 the head of Mormon Bottom, a gravel plain leading west to Mad River. 

 One-half mile west from Taylor's, at Nelson Ream's, near the south bluff 

 of Mormon Bottom, rock is struck at 35 feet, and there is a rock quarry 

 only 100 yards south of the well. The deep part of the valley probably 

 lies to the north of Ream's well. 



Immediately east from the head of Mormon Bottom, on the inner 

 (eastern) border of the moraine, is the village of East Liberty, which has 

 considerable local notoriet}^ on account of its flowing wells. There are 

 perhaps 100 of them whose depth ranges from 20 to 65 feet. The water is 

 obtained from beds of gravel in the drift. The source of supply is appar- 

 ently in the higher land in^mediatel}' to the west, a rapid decrease in 

 head being exhibited in passing toward the east. The water is strongly 

 chalybeate and is in good repute for its medicinal value. 



Flowing wells are obtained at many points along the ea,stern border 

 of the moraine for several miles north from East Liberty, near the head- 

 waters of the several tributaries of Mill Ci'eek. Some of them are but 15 



