 |
Guernsey County |
 |
Abandoned mines as source of water for coal conversion: RI 118
"Big Injun"-"Maxton" formation-water quality: RI 124
Caldwell North quadrangle, bedrock geology: RI 72
Coal: V 5, 6; RI 17, 21, 26, 29, 34, 105, 106; IC 44
Conemaugh formation: B 17
General: V 2, pt. 1; V 3
Minerals: B 69
Oil and gas, "Big Lime" or deeper wells: OF 23
Oriskany wells: OF 76
Quaternary geology: M 2; OF 296, 299
Structure map, Berea: OF 133
Structure map, Onondaga: OF 172
|