INDEX. 
145 
Page. 
Waynesburg coal, sections of 108,110,111 
figures showing 106 
thickness of 107-111 
Waynesburg "A" coal, occurrence and de- 
scription of 112-113 
sections of 113 
figure showing 102 
Waynesburg "B" coal, occurrence and de- 
scription of..* 113 
Waynesburg limestone, occurrence and de- 
scription of 121 
Waynesburg sandstone, correlation of 49 
occurrence and description of 128-129 
persistence of 11 
view of 128 
Waynesburg syncline, location and descrip- 
tion of 39-40 
Wells, deep, depth of 48 
information from 19 
records of 68-87 
value of 67-68 
production of 60 
Bull. 300—07 10 
Page. 
Wells, sections of, figures showing 22 
water from, use of 132-133 
West Bethlehem Township, wells in, records 
of 84-87 
West Brownsville, section at 15 
West Pike Run Township, wells in, records 
of 86-87 
Wheeler triangulation station, location of. . 137 
White, I. C, correlations by 36 
on coal 115 
on geology 40 
on limestone 121, 122 
on natural gas 66-67 
on oil and gas 62 
Willetts wells, data on 46 
view of 44 
Z. 
Zollarsville gas field, development in 47 
location and description of 44 
production of 61 
structure in 64-65 
