| Koontz Sandstone CompanyMedina, OHMSHA 3303467 | Crushed, Broken SandstoneSurface | AbandonedStatus date: 02/11/1985 | Koontz Sandstone CompanyReported operatorKoontz Sandstone CompanyReported controller | Neither history importedView source coverage → |
| KPI-JCI FT4250CC Track Mounted Impact PtDelaware, OHNear DelawareMSHA 3304804 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/19/2026 | The National Lime and Stone CompanyReported operatorNational Lime & Stone Co.Reported controller | Production / employmentSafety recordsView source coverage → |
| K & R No 1 (Strip)Stark, OHNear MinervaMSHA 3303673 | Coal (Bituminous)Facility | AbandonedStatus date: 03/05/1990 | K & R Mining IncReported operatorKelm Warren E & Dwight A EnsleyReported controller | Neither history importedView source coverage → |
| Krulock StripCoshocton, OHNear West LafayetteMSHA 3304127 | Coal (Bituminous)Surface | AbandonedStatus date: 01/18/1989 | Krulock IncReported operatorVujnovic JohnReported controller | Neither history importedView source coverage → |
| Kuenzli Quarries Company IncorporatedWyandot, OHMSHA 3301540 | Construction Sand and GravelSurface | AbandonedStatus date: 08/07/1980 | Kuenzli Quarries Company IncReported operatorKuenzli Morris JReported controller | Neither history importedView source coverage → |
| Kuenzli Quarry & MillWyandot, OHMSHA 3300092 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/05/1981 | Kuenzli Quarries Company IncReported operatorKuenzli Morris JReported controller | Neither history importedView source coverage → |
| Kymcoal #1 MineGallia, OHNear VintonMSHA 3303997 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 04/05/1985 | Kymcoal IncReported operatorMerckle ManfordReported controller | Neither history importedView source coverage → |
| Kymcoal #2Gallia, OHNear VintonMSHA 3304027 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 12/18/1987 | Kymcoal IncReported operatorMerckle ManfordReported controller | Neither history importedView source coverage → |
| L 22 StripColumbiana, OHMSHA 3302592 | Coal (Bituminous)Surface | AbandonedStatus date: 02/16/1977 | Buckeye Coal Mining Company IncReported operatorKeller Group IncReported controller | Neither history importedView source coverage → |
| Lafferty No 1 TippleBelmont, OHMSHA 3302485 | Coal (Bituminous)Facility | AbandonedStatus date: 09/07/1976 | Ohio River CollieriesReported operatorThomas G GentileReported controller | Neither history importedView source coverage → |
| Lafferty No 1 TippleBelmont, OHMSHA 3302486 | Coal (Bituminous)Facility | AbandonedStatus date: 04/26/1976 | Ohio River CollieriesReported operatorThomas G GentileReported controller | Neither history importedView source coverage → |
| Lafferty Strip & TippleBelmont, OHNear LaffertyMSHA 3300942 | Coal (Bituminous)Surface | AbandonedStatus date: 02/05/2003 | Ohio River Collieries CompanyReported operatorThomas G GentileReported controller | Production / employmentView source coverage → |
| Lake ErieLake, OHNear Grand RiverMSHA 3304083 | Sand, CommonSurface | AbandonedStatus date: 09/14/2009 | Osborne Materials CompanyReported operatorCarmeuse Holding SAReported controller | Production / employmentSafety recordsView source coverage → |
| Lamay River DockGallia, OHNear GallipolisMSHA 3303729 | Coal (Bituminous)Facility | AbandonedStatus date: 05/14/1986 | La May Coal Company IncReported operatorJohn NicolozakesReported controller | Neither history importedView source coverage → |
| Lamira Preparation PlantBelmont, OHNear WarnockMSHA 3303736 | Coal (Bituminous)Facility | AbandonedStatus date: 09/05/1990 | R & F Coal CompanyReported operatorZeigler Coal Holding CompanyReported controller | Neither history importedView source coverage → |
| Lamplite MineGallia, OHMSHA 3303325 | Coal (Bituminous)Underground | AbandonedStatus date: 10/01/1979 | Lamplite Coal CompanyReported operatorMc Clellan LonReported controller | Neither history importedView source coverage → |
| Larkin MineTuscarawas, OHMSHA 3304284 | Construction Sand and GravelSurface | AbandonedStatus date: 09/28/1993 | Larkin Sewer Contractors IncReported operatorLarkin Thomas EReported controller | Neither history importedView source coverage → |
| Larry Prine Pit And MillGreene, OHMSHA 3303367 | Construction Sand and GravelSurface | AbandonedStatus date: 10/25/1979 | Larry Prine Sand & Gravel CompanyReported operatorLarry Prine Sand & Gravel CompanyReported controller | Neither history importedView source coverage → |
| Larson MillTuscarawas, OHMSHA 3300468 | Fire ClayFacility | AbandonedStatus date: 05/21/1982 | Larson Clay Pipe CompanyReported operatorLarson Clay Pipe CompanyReported controller | Neither history importedView source coverage → |
| Last ChanceGallia, OHNear VintonMSHA 3304142 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 02/14/1991 | Milton Mining Company IncReported operatorBowman KeithReported controller | Neither history importedView source coverage → |
| Lawrence PitLawrence, OHMSHA 3303733 | Coal (Bituminous)Surface | AbandonedStatus date: 04/16/1980 | J R Coal Company IncReported operatorEpple J RogerReported controller | Neither history importedView source coverage → |
| Lawrence StripLawrence, OHMSHA 3303640 | Coal (Bituminous)Surface | AbandonedStatus date: 09/11/1978 | C K L IncReported operatorLeach Charles AReported controller | Neither history importedView source coverage → |
| Lawson & LawsonHocking, OHNear LoganMSHA 3304016 | Coal (Bituminous)Surface | AbandonedStatus date: 11/05/1986 | Lawson & Lawson IncReported operatorLawson MikeReported controller | Neither history importedView source coverage → |
| Leedom MineMuskingum, OHMSHA 3303690 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/1979 | Don Fee & Sons Mining IncReported operatorFee DonaldReported controller | Neither history importedView source coverage → |
| Leesville MineHarrison, OHNear BowerstownMSHA 3304660 | Coal (Bituminous)Facility | AbandonedStatus date: 03/12/2024 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Leetonia MineColumbiana, OHNear LeetoniaMSHA 3303987 | Coal (Bituminous)Surface | AbandonedStatus date: 10/07/1993 | Lisbon Coal Crushers IncReported operatorLewis William TReported controller | Neither history importedView source coverage → |
| Leetonia Sand & GravelColumbiana, OHMSHA 3304241 | Construction Sand and GravelSurface | AbandonedStatus date: 09/26/1995 | Leetonia Sand & Gravel IncReported operatorSotlar FrankReported controller | Neither history importedView source coverage → |
| LeishmanColumbiana, OHNear Near Salineville Col CyMSHA 3303461 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 08/20/1981 | Hooper MiningReported operatorHooper FloydReported controller | Neither history importedView source coverage → |
| Leishman Auger #1Tuscarawas, OHNear New CumberlandMSHA 3304137 | Coal (Bituminous)Surface | AbandonedStatus date: 09/22/1999 | Leishman Auger MiningReported operatorLeishman Brian LReported controller | Neither history importedView source coverage → |
| Leishman Auger #1Guernsey, OHNear PeoliMSHA 3304176 | Coal (Bituminous)Surface | AbandonedStatus date: 10/16/1997 | Leishman Auger MiningReported operatorLeishman Brian LReported controller | Neither history importedView source coverage → |