| Mid-Valley BankColumbia, PAMSHA 3602878 | Coal (Anthracite)Facility | AbandonedStatus date: 09/07/1976 | Hecla Machinery & Equipment CompanyReported operatorGene B GangloffReported controller | Neither history importedView source coverage → |
| Midvalley Refuse BankLackawanna, PAMSHA 3606844 | Coal (Anthracite)Surface | AbandonedStatus date: 10/01/1979 | L D V F AssociatesReported operatorNaples Michael JrReported controller | Neither history importedView source coverage → |
| Midvalley StrippingColumbia, PANear StrongMSHA 3602141 | Coal (Anthracite)Surface | AbandonedStatus date: 04/10/1995 | Jet Coal CompanyReported operatorPavoris Anthony--Earl Lindenmuth & John MenapaceReported controller | Neither history importedView source coverage → |
| Midway StripsWashington, PANear McdonaldMSHA 3604731 | Coal (Bituminous)Surface | Abandoned and SealedStatus date: 05/27/1988 | Midway Coal CompanyReported operatorAloe Holding IncReported controller | Neither history importedView source coverage → |
| Miele ProjectClearfield, PANear ClearfieldMSHA 3606889 | Coal (Bituminous)Surface | AbandonedStatus date: 11/06/1986 | Bison Coal Company IncReported operatorMiele LewisReported controller | Neither history importedView source coverage → |
| Mignatti Constr Co Inc Bethayres QuMontgomery, PAMSHA 3600169 | Crushed, Broken GraniteSurface | AbandonedStatus date: 09/21/1978 | Mignatti Construction Company IncReported operatorMignatti Construction Company IncReported controller | Neither history importedView source coverage → |
| Migyanka StripCambria, PAMSHA 3605521 | Coal (Bituminous)Surface | AbandonedStatus date: 01/27/1981 | Mazzarella Coal CompanyReported operatorMazzarella Richard-Fred & MichaelReported controller | Neither history importedView source coverage → |
| Mike Cook Quarry - Portable (West)Susquehanna, PANear South MontroseMSHA 3610163 | Dimension Stone NECSurface | AbandonedStatus date: 12/19/2018 | Mike Cook Stone QuarryReported operatorMichael A CookReported controller | Production / employmentSafety recordsView source coverage → |
| Mikel Coal CompanyWestmoreland, PANear SmithtonMSHA 3605868 | Coal (Bituminous)Surface | AbandonedStatus date: 05/26/1989 | Mikel Coal CompanyReported operatorMikel EdwardReported controller | Neither history importedView source coverage → |
| Mikel StripsWestmoreland, PAMSHA 3604150 | Coal (Bituminous)Surface | AbandonedStatus date: 12/27/1973 | Ed Mikel Coal CompanyReported operatorEd Mikel Coal CompanyReported controller | Neither history importedView source coverage → |
| Mike's QuarrySusquehanna, PANear DimockMSHA 3609331 | Dimension Stone NECSurface | AbandonedStatus date: 07/26/2011 | Milan HibbardReported operatorMilan J. HibbardReported controller | Production / employmentSafety recordsView source coverage → |
| Milavec StripSomerset, PANear CairnbrookMSHA 3605551 | Coal (Bituminous)Surface | AbandonedStatus date: 03/04/1982 | Boom Down Coal Company IncReported operatorHirt John WReported controller | Neither history importedView source coverage → |
| Milestone Pit #1Clarion, PANear MayportMSHA 3608607 | Coal (Bituminous)Surface | AbandonedStatus date: 05/21/2012 | Milestone Crushed IncReported operatorSidney L MilesReported controller | Production / employmentSafety recordsView source coverage → |
| MILESTONE PLANTClarion, PAMSHA 3608565 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/01/2000 | Milestone Crushed IncReported operatorSidney L MilesReported controller | Production / employmentSafety recordsView source coverage → |
| Milford MineSchuylkill, PANear MiddleportMSHA 3605920 | Coal (Anthracite)Surface | AbandonedStatus date: 05/11/1984 | K M H MiningReported operatorKristoff James J--John J MatukewiczReported controller | Neither history importedView source coverage → |
| Milford MineSomerset, PANear RockwoodMSHA 3608839 | Coal (Bituminous)Underground | AbandonedStatus date: 04/05/2016 | Svonavec IncReported operatorDavid D SvonavecReported controller | Production / employmentView source coverage → |
| Miller #1Westmoreland, PANear New DerryMSHA 3608038 | Coal (Bituminous)Surface | AbandonedStatus date: 07/28/1989 | Keystone Mining & DevelopmentReported operatorHarthan AaronReported controller | Neither history importedView source coverage → |
| Miller MaterialsBucks, PANear RushlandMSHA 3602362 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/05/2020 | Naceville Materials J.V.Reported operatorNaceville Materials Inc; Haines & Kibblehouse IncReported controller | Production / employmentSafety recordsView source coverage → |
| Miller MineJefferson, PAMSHA 3606452 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/1979 | Laurel Hill MiningReported operatorTurner William C & Earl T Mc CulloughReported controller | Neither history importedView source coverage → |
| Miller MineSomerset, PANear AcostaMSHA 3608622 | Coal (Bituminous)Underground | AbandonedStatus date: 09/08/2011 | RoxCoal IncReported operatorQuintana Capital Group GP LtdReported controller | Production / employmentSafety recordsView source coverage → |
| Miller RunSomerset, PANear Central CityMSHA 3601478 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 03/14/1983 | J & D Mining IncReported operatorCaola Dennis FReported controller | Neither history importedView source coverage → |
| Miller Run #2 MineSomerset, PANear Central CityMSHA 3607300 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 10/01/1997 | J & D Mining IncReported operatorCaola Dennis FReported controller | Neither history importedView source coverage → |
| Miller StripSomerset, PAMSHA 3606135 | Coal (Bituminous)Surface | AbandonedStatus date: 01/23/1978 | Harold E Miller Coal CompanyReported operatorMiller Harold EReported controller | Neither history importedView source coverage → |
| Millersville BankSchuylkill, PANear GordonMSHA 3602155 | Coal (Anthracite)Surface | AbandonedStatus date: 02/03/1983 | Paul KerriganReported operatorKerrigan PaulReported controller | Neither history importedView source coverage → |
| Milliken Brick Co Pitcairn PlantAllegheny, PAMSHA 3600654 | Common ShaleFacility | AbandonedStatus date: 05/21/1982 | Milliken Brick Company IncReported operatorMilliken Brick Company IncReported controller | Neither history importedView source coverage → |
| MillironJefferson, PANear R.D.#5 PunxsutawneyMSHA 3607141 | Coal (Bituminous)Surface | AbandonedStatus date: 03/27/1992 | Prushnok Coal Company IncReported operatorPrushnok Coal Company IncReported controller | Neither history importedView source coverage → |
| Milliron MineJefferson, PANear BrookvilleMSHA 3606514 | Coal (Bituminous)Surface | AbandonedStatus date: 03/30/1990 | Shaffer Mining CorpReported operatorShaffer Jeffrey AReported controller | Neither history importedView source coverage → |
| Mill JobClearfield, PANear Glen HopeMSHA 3609353 | Coal (Bituminous)Surface | AbandonedStatus date: 07/20/2018 | Fair Coal Company, LLCReported operatorJim FahrReported controller | Production / employmentSafety recordsView source coverage → |
| Mill Run StripArmstrong, PANear KittanningMSHA 3606399 | Coal (Bituminous)Surface | AbandonedStatus date: 04/28/1993 | Mill Run Contracting IncReported operatorBarrett Russell L JrReported controller | Neither history importedView source coverage → |
| Millsboro No 1 StripWashington, PAMSHA 3604547 | Coal (Bituminous)Surface | AbandonedStatus date: 02/29/1980 | B L F CorpReported operatorThomas M BoyleReported controller | Neither history importedView source coverage → |