| Nutter No 2Hocking, OHNear IlesboroMSHA 3303258 | Coal (Bituminous)Surface | AbandonedStatus date: 02/12/1985 | Nutter Brothers Coal Company IncReported operatorNutter James PReported controller | Neither history importedView source coverage → |
| Oak GroveVinton, OHNear AllensvilleMSHA 3303959 | Coal (Bituminous)Surface | AbandonedStatus date: 12/16/1985 | Oak Grove Coal CompanyReported operatorWalton Daniel EReported controller | Neither history importedView source coverage → |
| Oak Grove #1Gallia, OHNear BidwellMSHA 3304226 | Coal (Bituminous)Surface | AbandonedStatus date: 06/24/1991 | Oak Grove Energy & Reclamation IncReported operatorRoush David DReported controller | Neither history importedView source coverage → |
| Oak Grove No 1Jackson, OHNear WellstonMSHA 3303297 | Coal (Bituminous)Surface | AbandonedStatus date: 07/14/1998 | Oak Grove Coal CompanyReported operatorWalton Daniel EReported controller | Production / employmentView source coverage → |
| Oak HillJackson, OHNear Oak HillMSHA 3300178 | Construction Sand and GravelFacility | AbandonedStatus date: 04/30/2021 | Melvin Stone Company LLCReported operatorJames P Jurgensen II; Jacqueline J Alf; Jason R JurgensenReported controller | Production / employmentSafety recordsView source coverage → |
| Oak Hill StripJackson, OHNear Oak HillMSHA 3303302 | Coal (Bituminous)Surface | AbandonedStatus date: 08/09/1984 | Harley E Calvin & CompanyReported operatorCalvin Harley E & William HReported controller | Neither history importedView source coverage → |
| Oak Hill TippleJackson, OHNear OAK HILLMSHA 3304774 | Coal (Bituminous)Surface | AbandonedStatus date: 05/23/2024 | Operator not reportedReported operatorController not reportedReported controller | Safety recordsView source coverage → |
| Oak Park #107 MineHarrison, OHNear CadizMSHA 3301158 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 05/13/1988 | Consolidation Coal CompanyReported operatorRobert E MurrayReported controller | Neither history importedView source coverage → |
| OberlinCarroll, OHNear CarrolltonMSHA 3304076 | Coal (Bituminous)Surface | AbandonedStatus date: 03/26/1991 | Cardinal Mining IncReported operatorRawson SonnyReported controller | Neither history importedView source coverage → |
| Oberlin MineCarroll, OHNear CarrolltonMSHA 3304339 | Coal (Bituminous)Surface | AbandonedStatus date: 09/22/1999 | Varkony Mining CompanyReported operatorStephen Varkony; William M VarkonyReported controller | Neither history importedView source coverage → |
| Octad Research FacilityMorgan, OHNear MconnelsvilleMSHA 3304276 | Coal (Bituminous)Facility | AbandonedStatus date: 03/28/1996 | Icf Kaiser Engineers IncReported operatorIcf International IncReported controller | Neither history importedView source coverage → |
| Ohio #2Lawrence, OHNear PedroMSHA 3304231 | Coal (Bituminous)Surface | AbandonedStatus date: 06/20/1991 | Addington IncReported operatorHorizon Natural Resources IncorporatedReported controller | Neither history importedView source coverage → |
| Ohio Amco No 3 Auger MineCoshocton, OHMSHA 3302036 | Coal (Bituminous)Surface | AbandonedStatus date: 05/17/1972 | Ohio Amco IncReported operatorPaul E BryantReported controller | Neither history importedView source coverage → |
| Ohio Asphaltic Limestone CorporationRoss, OHMSHA 3300131 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 09/25/1980 | Ohio Asphaltic Limestone CorpReported operatorMiller Mason Paving CoReported controller | Neither history importedView source coverage → |
| Ohio Auger #1Stark, OHNear MinervaMSHA 3304000 | Coal (Bituminous)Surface | AbandonedStatus date: 07/06/1989 | Mc Cullough Mining IncReported operatorMc Cullough Ronald WReported controller | Neither history importedView source coverage → |
| Ohio Auger #1Stark, OHNear MinervaMSHA 3304085 | Coal (Bituminous)Surface | AbandonedStatus date: 07/30/1987 | Mc Cullough Mining IncReported operatorMc Cullough Ronald WReported controller | Neither history importedView source coverage → |
| Ohio Auger #2Carroll, OHNear MalvernMSHA 3304012 | Coal (Bituminous)Surface | AbandonedStatus date: 07/06/1989 | B & E IncReported operatorMc Cullough EarlReported controller | Neither history importedView source coverage → |
| Ohio Auger #2Jefferson, OHNear Near SteubenvilleMSHA 3304030 | Coal (Bituminous)Surface | AbandonedStatus date: 07/06/1989 | B & E IncReported operatorMc Cullough EarlReported controller | Neither history importedView source coverage → |
| Ohio Auger #2Tuscarawas, OHNear New PhiladelphiaMSHA 3304114 | Coal (Bituminous)Surface | AbandonedStatus date: 07/06/1989 | Mc Cullough Mining IncReported operatorMc Cullough Ronald WReported controller | Neither history importedView source coverage → |
| Ohio Edison (Strip) MineJefferson, OHNear TorontoMSHA 3300980 | Coal (Bituminous)Surface | AbandonedStatus date: 09/17/1990 | Ohio Edison CompanyReported operatorJ T Rogers JrReported controller | Neither history importedView source coverage → |
| Ohio Fire Brick PlantJackson, OHMSHA 3300513 | Fire ClayFacility | AbandonedStatus date: 05/21/1982 | Ohio Fire Brick CoReported operatorOhio Fire Brick CoReported controller | Neither history importedView source coverage → |
| Ohio Friend No 3 StripBelmont, OHMSHA 3303328 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/1979 | H J Friend Construction CompanyReported operatorFriend Harry SrReported controller | Neither history importedView source coverage → |
| Ohio Friend No 4 StripJefferson, OHMSHA 3303724 | Coal (Bituminous)Surface | AbandonedStatus date: 12/14/1979 | H J Friend Construction CompanyReported operatorFriend Harry SrReported controller | Neither history importedView source coverage → |
| Ohio Job #1Lawrence, OHNear PedroMSHA 3304112 | Coal (Bituminous)Surface | AbandonedStatus date: 03/03/1995 | Addington IncReported operatorPittston CompanyReported controller | Neither history importedView source coverage → |
| Ohio Pit & PlantRichland, OHMSHA 3300512 | Fire ClaySurface | AbandonedStatus date: 05/21/1982 | Richland Brick Div Of Michigan BrickReported operatorJannock LtdReported controller | Neither history importedView source coverage → |
| Ohio Quarry (West Union)Adams, OHMSHA 3303857 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/18/1984 | Holloway Sand & Gravel Company IncReported operatorDaniel W HollowayReported controller | Neither history importedView source coverage → |
| Olive StripLawrence, OHNear PedroMSHA 3303715 | Coal (Bituminous)Surface | AbandonedStatus date: 08/06/1982 | Brohard Mining & Development IncReported operatorBrohard CharlieReported controller | Neither history importedView source coverage → |
| Oneida Sand & Gravel IncCarroll, OHNear MalvernMSHA 3303754 | Construction Sand and GravelSurface | AbandonedStatus date: 04/22/2011 | Oneida Sand & Gravel IncReported operatorRaymond T SprungReported controller | Production / employmentSafety recordsView source coverage → |
| Orange AugerCoshocton, OHMSHA 3303802 | Coal (Bituminous)Surface | AbandonedStatus date: 08/28/1980 | Lox Construction IncReported operatorOxenrider MaryReported controller | Neither history importedView source coverage → |
| Orange Auger MineNoble, OHMSHA 3302262 | Coal (Bituminous)Surface | AbandonedStatus date: 03/23/1972 | Orange Coal Company IncReported operatorCarl L Baker JrReported controller | Neither history importedView source coverage → |