134 ANNUAL REPORT 
Thickness of Total 
stratum. thickness. 
i Feet. Feet. 
Black shales” sci dala ee i paneer reer 9 218 
Gray/shalegic ec) Wisi ene ind Sota yatta te 37 255 
Blackishales hse eee i ee ae 35 290 
Samdnockuengsntecew yy cee eee 36 326 
MIDAS) ccc kia sae Reach colace Por i ceei ee ee ena 91 417 
DAW NOC kG a ada Vovereonce ste hel ate aha ae 26 443 
aS feria fe AI Oah 5, cheer wratenevecore Tak peace tay Pan eae nee 47 490 
DackesaMdSrock ras csisee spate meres Oeie ees 6 496 
hol AUG Ueki aa RpAUn ne A A ann Pera RL eS ean aT Sw Tha) Ete 6 502 
Dadi wil Chis (als. .c.gsh eth ee sacs coins ea ee 8 510 
SALES iroyays eects vortdeare cba Getenceelsuere rain re eee nee we 2 512 
San disrocks we: Sie eee eis eee 3 515 
Dank Ssnales. ok Meee ee ee a 9 524 
Eighitishalegr ns. jie en vec see eee 36 560 
SOLETSONG: BA oles seabshat Hotel Cree De ea 52 612 
Below is the log of a gas well on the same farm. It was drilled in the 
fall of 1899, and furnishes sufficient gas to run two gas engines, the hotel 
and one residence. 
Thickness of Total 
stratum. thickness. 
Feet. Feet. 
REG Sale sii. Nese t era a ciel Soe tee mun cera meena es er) 40 
Blwet shales. Vs ihe hee A Meet Basen pear een eens 12 52 
Red: shaless. cos ay eee ioe rare re 10 62 
Yellow: shales. ata weey cteewe a cece rnepeoteiags 17 79 
GLA (SANG) oN Ae oR era eh permeate terete tay ters 3 82 
IKOPSE COW 10D, STH. 566000500600000000008 2 84 
Blwesshatles=.s295 j se ee eee eT eae 6 90 
CUnNoTmagenwumestOne mean aire ke erene 2 92 
Darkvandelieintashalesteersnucmwreee tye eon ntans 178 270 
Rah Wi teSAN GC aceac ke ecko rae ver ae easier ieee eeeeeueueRe 40 310 
i Black. SHAalesy.ncxccbeincistaveeetieu ckokatereieecs ores 65 375 
Gas sand? i. S2ke i irae aces treks eee Meander 9 384 
This sand is known locally as the Second Cow Run, but since in the 
typical locality the interval between the two Cow Run sands is approx- 
imately 400 feet, and since in this well the interval is 291 feet only, it is 
safe to state that the sand in question is not the Second Cow Run. As 
will be discussed in another chapter, the term Second Cow Run is used 
by the driller and operator in a very loose way. It is applied to almost any 
sand lying from 100 to 500 feet below the First Cow Run. There is no 
method of distinguishing the sand except by its distance from the first one, 
and it is not widely recognized in southeastern Ohio. 
The following log is from well No. 1. on the A. Mozier farm, one 
mile west from the village Chester Hill. The record was kept by W. 
H. Knight, the measurements having been made with a steel line: 
