54 
Ohio Naturalist. 
[Vol. 1, No. 4 
and bonuses also have been received. The leases usually required 
that a well be drilled in from thirty to sixty days, but sometimes, 
especially in the least promising territory, six months were allowed. 
That the field was a monopoly for no one is shown by the fol- 
lowing list, which includes the chief operators of the district: 
Corning Oil Company. 
Denman & Thompson. 
O’Connel Oil Company. 
Brooks Oil Company. 
Caldron & Snyder. 
Sunday Creek Oil & Gas Company. 
Perry County Oil Company. 
W. B. Barker & Company. 
Cleveland Oil Company. 
Keystone Oil Company. 
W. E. Detlor. 
William Rosier. 
J. H. Van Wormer. 
Northeast Oil Company. 
Becker Oil Company. 
Allen, Sternberg & Company. 
Bolivar Oil Company. 
William McMullen. 
A. Bulger & Company. 
Corning Natural Gas Company. 
L. D. Langmade. 
Harrington Brothers. 
Ohio Oil Company. 
Church Oil Company. 
Monroe Oil & Gas Company. 
Weaver Brothers. 
W. B. Irwin & Company. 
George Best & Company. 
Foster & Moran. 
Fallen Rock Company. 
Ohlviler & Chambers. 
Mill Oil Company. 
Hemlock Oil Company. 
John Holden. 
Wells & Foraker. 
Longfellow & Stevens. 
Russell Metzger. 
McGee & Stewart. 
Stratton & Mark. 
National Oil Company. 
