| Mahoning Valley No 36Harrison, OHNear CadizMSHA 3304143 | Coal (Bituminous)Surface | AbandonedStatus date: 07/05/2011 | Consolidation Coal CompanyReported operatorRobert E MurrayReported controller | Production / employmentSafety recordsView source coverage → |
| Mahoning Valley Strip MineBelmont, OHNear FairpointMSHA 3303214 | Coal (Bituminous)Surface | AbandonedStatus date: 05/22/1989 | Consolidation Coal CompanyReported operatorRobert E MurrayReported controller | Neither history importedView source coverage → |
| Malcuit No 3 StripMuskingum, OHMSHA 3303318 | Coal (Bituminous)Surface | AbandonedStatus date: 03/20/1978 | Red Malcuit IncReported operatorMalcuit Mark AReported controller | Neither history importedView source coverage → |
| Malcuit Strip No 1Coshocton, OHMSHA 3303294 | Coal (Bituminous)Surface | AbandonedStatus date: 01/17/1977 | Red Malcuit IncReported operatorMalcuit Mark AReported controller | Neither history importedView source coverage → |
| Malcuit Strip No 2Belmont, OHNear BarnesvilleMSHA 3303317 | Coal (Bituminous)Surface | AbandonedStatus date: 08/21/1990 | Red Malcuit IncReported operatorMalcuit Mark AReported controller | Neither history importedView source coverage → |
| Malvern MillCarroll, OHMSHA 3303362 | Fire ClayFacility | AbandonedStatus date: 05/21/1982 | Malvern Flue Lining IncReported operatorMalvern Flue Lining IncReported controller | Neither history importedView source coverage → |
| M And S StripColumbiana, OHNear LisbonMSHA 3302720 | Coal (Bituminous)Surface | AbandonedStatus date: 04/27/1989 | M & S Coal CompanyReported operatorHivly ArlandReported controller | Neither history importedView source coverage → |
| Mapleton StripStark, OHMSHA 3300993 | Coal (Bituminous)Surface | AbandonedStatus date: 10/15/1980 | Magnolia Mining CompanyReported operatorLoomis Fred SrReported controller | Neither history importedView source coverage → |
| Marblehead QuarryOttawa, OHNear MarbleheadMSHA 3304530 | Crushed, Broken Limestone NECFacility | AbandonedStatus date: 08/01/2025 | Geo Gradel CoReported operatorJohn F. Gradel Sr TrustReported controller | Production / employmentSafety recordsView source coverage → |
| Marbrick No 1 PlantMarion, OHMSHA 3301969 | Common ShaleFacility | AbandonedStatus date: 05/21/1982 | Marion Brick CorpReported operatorIbstock PlcReported controller | Neither history importedView source coverage → |
| Marfank No 2 MineJefferson, OHNear BrilliantMSHA 3304620 | Coal (Bituminous)Underground | AbandonedStatus date: 08/01/2013 | Ohio American Energy IncorporatedReported operatorACNR Holdings, IncReported controller | Production / employmentView source coverage → |
| Marie PitStark, OHMSHA 3304043 | Clay, Ceramic, Refractory Mnls.Surface | AbandonedStatus date: 08/17/1987 | C M Mining IncReported operatorBurrow Bruce TReported controller | Neither history importedView source coverage → |
| Marietta DockWashington, OHNear MariettaMSHA 3302487 | Coal (Bituminous)Facility | AbandonedStatus date: 01/23/2012 | B & N Coal IncReported operatorCarl L Baker JrReported controller | Production / employmentSafety recordsView source coverage → |
| Marietta Run StripAthens, OHMSHA 3301897 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/1979 | Dominion Coal Company IncReported operatorDominion Coal Company IncReported controller | Neither history importedView source coverage → |
| MARK WILLIAMS BLACKTOP CO., INC.Washington, OHMSHA 3304206 | Construction Sand and GravelSurface | AbandonedStatus date: 03/01/2001 | Mark Williams Blacktop Company IncReported operatorMark WilliamsReported controller | Production / employmentSafety recordsView source coverage → |
| Marshall StripMuskingum, OHNear New ConcordMSHA 3303580 | Coal (Bituminous)Surface | AbandonedStatus date: 11/05/1985 | Krulock IncReported operatorVujnovic JohnReported controller | Neither history importedView source coverage → |
| Martin #1Harrison, OHNear CadizMSHA 3304256 | Coal (Bituminous)Surface | AbandonedStatus date: 09/22/1999 | Jack MartinReported operatorMartin JackReported controller | Neither history importedView source coverage → |
| Mason Coal Prep PlantHocking, OHMSHA 3303601 | Coal (Bituminous)Facility | AbandonedStatus date: 10/01/1979 | Mason Coal & GravelReported operatorMason Russel & C RReported controller | Neither history importedView source coverage → |
| Mason Hill MineAthens, OHNear NelsonvilleMSHA 3303926 | Coal (Bituminous)Surface | AbandonedStatus date: 03/01/1984 | Lee & Lawson IncReported operatorLee Fred WReported controller | Neither history importedView source coverage → |
| Mason MineMahoning, OHNear New SpringfieldMSHA 3303927 | Coal (Bituminous)Surface | AbandonedStatus date: 08/18/1986 | Mason Mining CompanyReported operatorRawson SonnyReported controller | Neither history importedView source coverage → |
| Mason Pit And MillWarren, OHMSHA 3302907 | Construction Sand and GravelSurface | AbandonedStatus date: 04/30/1990 | Watson Gravel IncReported operatorRonald E WatsonReported controller | Neither history importedView source coverage → |
| Massillon Materials IncorporatedStark, OHMSHA 3304054 | Construction Sand and GravelSurface | AbandonedStatus date: 12/22/1993 | Massillon Materials IncReported operatorHoward J WengerReported controller | Neither history importedView source coverage → |
| Massillon Washed Gravel Div.Stark, OHNear NavarreMSHA 3301554 | Construction Sand and GravelSurface | AbandonedStatus date: 06/11/2020 | Central - Allied Enterprises, Inc.Reported operatorCentral Allied Enterprises IncReported controller | Production / employmentSafety recordsView source coverage → |
| Mast StripWayne, OHNear Mount EatonMSHA 3303789 | Coal (Bituminous)Surface | AbandonedStatus date: 02/12/1985 | Daron Coal Company IncReported operatorRonald SelwayReported controller | Neither history importedView source coverage → |
| Max MineColumbiana, OHNear Cannons Mills RoadMSHA 3303983 | Coal (Bituminous)Surface | AbandonedStatus date: 03/04/1987 | River Port Coal Company IncReported operatorSmith Keith & Ronald E RamseyReported controller | Neither history importedView source coverage → |
| MAXVILLE QUARRIES, INC.Perry, OHNear Maxville, OHMSHA 3300106 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 03/20/2003 | Maxville Quarries IncReported operatorDavid J McCortReported controller | Production / employmentSafety recordsView source coverage → |
| MAYBERRY ROADAllen, OHNear Columbus GroveMSHA 3304477 | Construction Sand and GravelSurface | AbandonedStatus date: 07/31/2009 | Ward Materials IncReported operatorArnold RosebrockReported controller | Production / employmentSafety recordsView source coverage → |
| Mays MineLawrence, OHMSHA 3301078 | Coal (Bituminous)Underground | AbandonedStatus date: 07/21/1972 | Manuel MaysReported operatorMays ManuelReported controller | Neither history importedView source coverage → |
| Mays Pit (Strip)Muskingum, OHNear DresdenMSHA 3303697 | Coal (Bituminous)Facility | AbandonedStatus date: 08/12/1985 | Tri Valley Energy IncReported operatorDobson PaulReported controller | Neither history importedView source coverage → |
| Maysville PitBrown, OHMSHA 3303788 | Construction Sand and GravelSurface | AbandonedStatus date: 11/19/1984 | Maysville Materials CompanyReported operatorCarter Robert L Company IncReported controller | Neither history importedView source coverage → |