| Rossmoyne StripIndiana, PANear RossmoyneMSHA 3606932 | Coal (Bituminous)Surface | AbandonedStatus date: 09/02/1999 | Howard Neal Coal CorpReported operatorBarbara M BearerReported controller | Neither history importedView source coverage → |
| Ross QuarryBradford, PANear HerrickvilleMSHA 3609621 | Crushed, Broken SlateSurface | AbandonedStatus date: 07/07/2009 | Harry Silvers QuarryReported operatorHarry J SilversReported controller | Production / employmentSafety recordsView source coverage → |
| Rostosky StripFayette, PAMSHA 3604274 | Coal (Bituminous)Surface | AbandonedStatus date: 10/03/1979 | Joseph Rostosky Coal CompanyReported operatorJoseph A RostoskyReported controller | Neither history importedView source coverage → |
| Roswel StripButler, PANear Karns CityMSHA 3607405 | Coal (Bituminous)Surface | AbandonedStatus date: 03/15/1988 | Roswel Coal Company IncReported operatorCampbell WilliamReported controller | Neither history importedView source coverage → |
| Rothermel SlopeSchuylkill, PANear LincolnMSHA 3607588 | Coal (Anthracite)Underground | Abandoned and SealedStatus date: 12/04/1989 | Snyder Coal CompanyReported operatorDennis K Snyder IIReported controller | Neither history importedView source coverage → |
| Roudabush StripCambria, PANear JohnstownMSHA 3607365 | Coal (Bituminous)Surface | AbandonedStatus date: 03/02/1992 | Mazzarella Coal CompanyReported operatorMazzarella Richard-Fred & MichaelReported controller | Neither history importedView source coverage → |
| Roulette Aggregate Plant #33Potter, PANear CoudersportMSHA 3609948 | Crushed, Broken SandstoneSurface | AbandonedStatus date: 09/12/2022 | Glenn O. Hawbaker, Inc.Reported operatorDaniel R HawbakerReported controller | Production / employmentSafety recordsView source coverage → |
| Roulette QuarryPotter, PAMSHA 3607924 | Dimension Stone NECSurface | AbandonedStatus date: 06/23/1994 | John Wright FlagstoneReported operatorWright John GReported controller | Neither history importedView source coverage → |
| Round KnobHuntingdon, PANear Coalmont, PAMSHA 3607506 | Coal (Bituminous)Surface | AbandonedStatus date: 07/20/2018 | Ferlitch Construction IncReported operatorPaul FerlitchReported controller | Production / employmentSafety recordsView source coverage → |
| Round KnobHuntingdon, PANear RobertsdaleMSHA 3609578 | Coal (Bituminous)Surface | AbandonedStatus date: 05/28/2009 | Ferlitch Construction Company IncReported operatorPaul FerlitchReported controller | Neither history importedView source coverage → |
| Round Top StripFayette, PANear Chalk HillMSHA 3603025 | Coal (Bituminous)Surface | AbandonedStatus date: 12/12/1984 | Walter Green IncReported operatorGreen Joseph E SrReported controller | Neither history importedView source coverage → |
| Route 29 QuarrySusquehanna, PANear LawsvilleMSHA 3609250 | Crushed, Broken SlateSurface | AbandonedStatus date: 04/21/2008 | Henry Flagstone IncReported operatorMichael S Henry SrReported controller | Production / employmentSafety recordsView source coverage → |
| Route 6 StripLackawanna, PANear ArchbaldMSHA 3607624 | Coal (Anthracite)Surface | AbandonedStatus date: 02/28/1986 | B & M Coal CompanyReported operatorButler Joseph-Louis J MarianiReported controller | Neither history importedView source coverage → |
| Roxbury StripSomerset, PANear RoxburyMSHA 3607055 | Coal (Bituminous)Surface | AbandonedStatus date: 10/15/1991 | D & E Construction CompanyReported operatorHuston Edwin PReported controller | Neither history importedView source coverage → |
| Roy #2Clearfield, PANear GLEN RICHEYMSHA 3609341 | Coal (Bituminous)Surface | AbandonedStatus date: 09/20/2022 | Roy Coal Co.Reported operatorRobert CuomoReported controller | Production / employmentSafety recordsView source coverage → |
| Roy #3Clearfield, PANear OlantaMSHA 3602771 | Coal (Bituminous)Surface | AbandonedStatus date: 06/16/2005 | Roy Coal Company IncReported operatorRoy MaysReported controller | Production / employmentSafety recordsView source coverage → |
| RoyalFayette, PANear Belle VernonMSHA 3607705 | Coal (Lignite)Type not reported | AbandonedStatus date: 06/17/1985 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Royal ReclamationFayette, PANear RoyalMSHA 3608197 | Coal (Bituminous)Facility | AbandonedStatus date: 06/01/1993 | Royal Reclamation IncReported operatorNull James SrReported controller | Neither history importedView source coverage → |
| ROYER'S LIME QUARRIESMontour, PANear Milton, PAMSHA 3604658 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 05/01/2001 | Royers Lime QuarriesReported operatorDonald Royer; Gerald R RoyerReported controller | Safety recordsView source coverage → |
| Roy SosterCentre, PANear ?MSHA 3608069 | Dimension SandstoneSurface | AbandonedStatus date: 04/16/1996 | Soster QuarryReported operatorSoster RoyReported controller | Neither history importedView source coverage → |
| Roytown Deep MineSomerset, PANear Somerset, PAMSHA 3609260 | Coal (Bituminous)Surface | AbandonedStatus date: 12/19/2025 | RoxCoal, Inc.Reported operatorQuintana Capital Group GP LtdReported controller | Production / employmentSafety recordsView source coverage → |
| Rozell's QuarrySusquehanna, PANear BrooklynMSHA 3609622 | Dimension Stone NECSurface | AbandonedStatus date: 05/10/2013 | TNT QuarriesReported operatorJackie Thomas; Robert J ThomasReported controller | Production / employmentSafety recordsView source coverage → |
| RPG QuarrySusquehanna, PANear MontroseMSHA 3610123 | Dimension Stone NECSurface | AbandonedStatus date: 08/15/2018 | Ryan Guiton FlagstoneReported operatorRyan P GuitonReported controller | Production / employmentSafety recordsView source coverage → |
| R. P. M. 1 & 2 StoneBradford, PANear WyalusingMSHA 3609223 | Crushed, Broken SlateSurface | AbandonedStatus date: 08/18/2005 | Stephen WalterReported operatorStephen WalterReported controller | Production / employmentSafety recordsView source coverage → |
| R P Tipple #1Centre, PANear Snow ShoeMSHA 3607088 | Coal (Bituminous)Facility | AbandonedStatus date: 04/23/1992 | Robert P CarlinReported operatorCarlin Robert PReported controller | Neither history importedView source coverage → |
| R & R Anthracite Coal CoSchuylkill, PANear GoodspringMSHA 3608498 | Coal (Anthracite)Underground | Abandoned and SealedStatus date: 07/19/2010 | R & R Coal CompanyReported operatorGary Lucas; Charles J Cress; Wilbur WhiteReported controller | Production / employmentSafety recordsView source coverage → |
| R & R No 1 SlopeNorthumberland, PAMSHA 3602209 | Coal (Anthracite)Underground | AbandonedStatus date: 03/13/1972 | R & R Coal CompanyReported operatorReitz Joseph WReported controller | Neither history importedView source coverage → |
| R & R No 2 SlopeNorthumberland, PAMSHA 3602093 | Coal (Anthracite)Underground | AbandonedStatus date: 02/13/1975 | R & R Coal CompanyReported operatorR & R Coal CompanyReported controller | Neither history importedView source coverage → |
| R & R StripElk, PANear Brandy CampMSHA 3601259 | Coal (Bituminous)Surface | AbandonedStatus date: 08/04/1983 | R & R Coal CompanyReported operatorRogos Ralph T & RonaldReported controller | Neither history importedView source coverage → |
| R Rugg SurfaceFayette, PAMSHA 3606615 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/1979 | S E Barnhart & Sons IncReported operatorBarnhart Robert DReported controller | Neither history importedView source coverage → |