KNOX COUNTY. 329 
1. Soil, black loam ........... GUS AN Se tale c eae aye av aete a Me iatetatare claynmcotaiaie'a 6 to 10 
DB AIMS CAN osdo.csdoqbond666 sob ShcIbSHERO Ro codo doUbS8 556006 Sabu d4ec 12 to 14 
3. Quicksand and washed gr.vel. 
A well at Centerburg passed through— 
FEET. 
ln Welllow? CLA s68h60 d64500 6S0HS0 555500 HObSooGbO56 obec cee ee ene cee ese none 12 
OMS NU EMC Laveranetete wince ce eiccee ecm came cose a cclccice ac'als cate ic awe ce sec) Nata 39 
when water was obtained. The material below was not penetrated; no 
wells here are sunk to the rock. 
The timber in this region is beach, maple, oak, white and black ash, 
and black walnut. Of the latter a very large amount of valuable timber 
has been cut for shipment east. 
The small streams in Hilliar township form the head waters of Lick- 
ing River. They are bordered with gently rolling hills of modified 
Drift, containing angular fragments of the Waverly and rounded granitic 
bowlders, and rising forty feet above the bed of the stream. The soil is 
a mixture of clay and sand, rich in the debris of the lime rocks. 
The wells at Lock, on the south line of Milford, pass through eight to 
fifteen feet of yellow clay, and fifteen to twenty feet of blue clay, then 
on the higher lands striking gravel, on the lower, quicksand. The sur- 
face is of the same general character through Milford and Miller town- 
ships, viz., undulating hills from which the finer material of the Drift 
has been washed, bordering flood plains through which the small streams 
flow, generally over beds of water-rolled pebbles, this material resting - 
upon unmodified drift. A section of the bank exposed by a bend in 
Licking Creek shows this arrangement of the materials: 
; FEET 
1. Yellow clay and coarse unstratified gravel .--................-.---0- 4 
2. Water-washed sand and gravel, rudely stratified ...-..-............- 8 
semevellowaboulden cla yi e cise a cee ee eee le a i ae rc ee ke 1 to 2 
Ate Dlucvouldernclayc tOmbOLUOME se eee. mils clae Seu) Sanya eee cc 15 
The whole mass is filled with rock debris, that of the two upper mem- 
bers nearly all rounded and water-worn. Granitic and limestone frag- 
ments occur in all. 
Eastward from Lock, Drift apparently fills the old valley of erosion to 
the foot of the hills east of the Baltimore and Ohio Railroad. These 
hills rise somewhat abruptly to the height of three hundred feet above 
the valley. Their slopes are covered with Drift, so that no rock ex- 
posures are found until the degcent into the valley of Owl Creek is 
reached, about one mile from Mt. Vernon. The rock is here broken and 
crushed as if by lateral thrust. An old water-plain borders the west 
