INDEX 
Page. 
Amsterdam pool, development of 24 
Anticlinal theory of oil and gas accumula- 
tion, establishment of 11 
statement of 12-17 
Bench marks, list of 36-42 
Bloomfield anticline, wells drilled above . . 22 
Bricker pool, wells reaching 22 
Cadiz, wells near 22 
Contour map of oil sand, method of con- 
structing 19-20 
Hayes, C. W., letter of transmittal by 9 
Hopedale, wells near 23 
Mclntyre Creek, wells near 21 
Map (contour) of oil sand, method of con- 
structing 19-20 
Map (structure), method of using 24 
Oil. See Petroleum. 
Oil fields of the Cadiz quadrangle, geology 
of 17-19 
Page. 
Oil fields of the Cadiz quadrangle, location 
of 16-17 
Pennsylvania, oil in 12-13 
Petroleum, character of 12 
occurrence of 12-16 
origin of 12 
relation of pools of, to geologic struc- 
ture 13 
Piney Fork of Short Creek, wells drilled 
near 22 
Salem, possible oil pool near 22 
Short Creek, wells drilled on Piney Fork 
of 22 
Smithfield, wells near 22 
Snyder pool, developments of 23 
Southerland's mill, well at 22 
Structure map, method of using 24 
Unionport, oil indications near 23 
Wells, list of 25-33 
43 
