| Moore Excavation IncMultnomah, ORNear GreshamMSHA 3503609 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 10/16/2006 | Moore Excavation IncReported operatorRoy V MooreReported controller | Production / employmentSafety recordsView source coverage → |
| Moore Rock PitWashington, ORMSHA 3501299 | Crushed, Broken TraprockSurface | AbandonedStatus date: 08/31/1977 | Moore Rock ProductsReported operatorMoore Rock ProductsReported controller | Neither history importedView source coverage → |
| Mormon BasinMalheur, ORMSHA 3502897 | Gold OreSurface | AbandonedStatus date: 03/14/1984 | Veta Gold IncReported operatorVeta Grande Companies IncReported controller | Neither history importedView source coverage → |
| Mormon BasinBaker, ORNear BridgeportMSHA 3503697 | Gold OreSurface | AbandonedStatus date: 02/03/2010 | BP Gold Resources IncReported operatorBrenda Land; Sid J GreeheyReported controller | Production / employmentSafety recordsView source coverage → |
| Mornng Star LoadBaker, ORNear SumpterMSHA 3503695 | Gold OreSurface | AbandonedStatus date: 07/25/2008 | G & N Mining EnterprisesReported operatorGregory Vaughn WoodsReported controller | Neither history importedView source coverage → |
| Morris Quarry & PlantCoos, ORMSHA 3500874 | Crushed, Broken TraprockSurface | AbandonedStatus date: 05/10/1979 | Bob Angell IncReported operatorAngell BobReported controller | Neither history importedView source coverage → |
| Morse Brothers-Portable CrusherMarion, ORMSHA 3500986 | Crushed, Broken TraprockSurface | AbandonedStatus date: 09/06/1994 | Morse Brothers IncReported operatorMorse Brothers IncReported controller | Neither history importedView source coverage → |
| Mosier Pit And PlantWasco, ORMSHA 3502546 | Crushed, Broken TraprockSurface | AbandonedStatus date: 04/29/1985 | Bi State Redi MixReported operatorJohnson RandallReported controller | Neither history importedView source coverage → |
| Mountain Top QuarryJosephine, ORMSHA 3502993 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 10/28/1983 | Mountain Top Shale & Rock CompanyReported operatorMountain Top Shale & Rock CompanyReported controller | Neither history importedView source coverage → |
| Muddy Creek PitClatsop, ORMSHA 3500846 | Crushed, Broken TraprockSurface | AbandonedStatus date: 01/08/1979 | Robert Mc EwanReported operatorMc Ewan RobertReported controller | Neither history importedView source coverage → |
| Mullen Road Processing Site & Mine SitesCoos, ORNear Coos BayMSHA 3503757 | Chromite Chromium OreFacility | AbandonedStatus date: 04/07/2016 | Oregon Resources CorporationReported operatorIDM International, LtdReported controller | Production / employmentSafety recordsView source coverage → |
| Murphy PitJosephine, ORMSHA 3501000 | Construction Sand and GravelSurface | AbandonedStatus date: 08/17/1982 | Josephine County Road DepartmentReported operatorJosephine CountyReported controller | Neither history importedView source coverage → |
| Murry PitWashington, ORMSHA 3502909 | Crushed, Broken TraprockSurface | AbandonedStatus date: 03/26/1981 | Progress Quarries IncReported operatorProgress Quarries IncReported controller | Neither history importedView source coverage → |
| Naomi Miah MineClackamas, ORNear MolallaMSHA 3503857 | Construction Sand and GravelSurface | AbandonedStatus date: 09/27/2017 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Ned Strearns QuarryCurry, ORNear Gold BeachMSHA 3503599 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 05/02/2005 | B5D CorporationReported operatorDavid J Somers; Daniel E SomersReported controller | Production / employmentSafety recordsView source coverage → |
| Needy PlantClackamas, ORMSHA 3502579 | Fire ClayFacility | AbandonedStatus date: 08/27/1979 | Needy Brick & Tile Company IncReported operatorNeedy Brick & Tile Company IncReported controller | Neither history importedView source coverage → |
| Nesko Rock-Portable Plant #2Yamhill, ORNear CloverdaleMSHA 3503621 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 12/23/2009 | Nesko RockReported operatorDavid Alan HornsbyReported controller | Production / employmentSafety recordsView source coverage → |
| Neuman QuarryBenton, ORMSHA 3500645 | Crushed, Broken TraprockSurface | AbandonedStatus date: 10/19/1988 | Neuman Quarry & ExcavatingReported operatorNeuman O GeorgeReported controller | Neither history importedView source coverage → |
| NEWBERG RIVER ROCK PRODUCTSYamhill, ORMSHA 3502905 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 06/05/1997 | Baker Rock Crushing CompanyReported operatorGary T BakerReported controller | Neither history importedView source coverage → |
| Newberg Rock & DirtYamhill, ORNear NewberyMSHA 3503598 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 06/13/2018 | Newberg Rock & DirtReported operatorS-2 Contractors IncReported controller | Production / employmentSafety recordsView source coverage → |
| New Independence MineGrant, ORMSHA 3502752 | Gold OreUnderground | AbandonedStatus date: 11/05/1979 | William A Bowes IncReported operatorBowes William AReported controller | Neither history importedView source coverage → |
| New York MineGrant, ORMSHA 3502387 | Gold OreUnderground | AbandonedStatus date: 09/01/1981 | William A Bowes IncReported operatorBowes William AReported controller | Neither history importedView source coverage → |
| Next TuesdayMalheur, ORMSHA 3502701 | Misc. Nonmetallic Mnls. NECSurface | AbandonedStatus date: 11/22/1978 | Diatec CorpReported operatorDiatec CorpReported controller | Neither history importedView source coverage → |
| Nickel Waste DumpDouglas, ORMSHA 3502904 | Crushed, Broken TraprockSurface | AbandonedStatus date: 05/03/1979 | C & D Lumber CompanyReported operatorJohnson E PReported controller | Neither history importedView source coverage → |
| NICKOLAI QUARRYColumbia, ORMSHA 3503482 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 09/07/2001 | Westwater Group IncReported operatorTony L RathbunReported controller | Production / employmentSafety recordsView source coverage → |
| Nicolai QuarryClatsop, ORMSHA 3502522 | Crushed, Broken TraprockSurface | AbandonedStatus date: 10/22/1986 | Moultrie Crushing IncReported operatorMoultrie LeoReported controller | Neither history importedView source coverage → |
| Nine Mile Quarry And PlantDouglas, ORMSHA 3502717 | Crushed, Broken TraprockSurface | AbandonedStatus date: 06/14/1978 | Jeffries Timber CorpReported operatorJeffries Timber CorpReported controller | Neither history importedView source coverage → |
| NISSEN PITLinn, ORNear AlbanyMSHA 3503522 | Construction Sand and GravelSurface | AbandonedStatus date: 12/15/2003 | A J Crushing IncReported operatorAlton E SullivanReported controller | Production / employmentSafety recordsView source coverage → |
| N L Stadeli Portable CrusherMarion, ORMSHA 3502764 | Construction Sand and GravelSurface | AbandonedStatus date: 02/01/1996 | N L Stadeli Construction Company IncReported operatorStadeli Norman LReported controller | Neither history importedView source coverage → |
| Noble Mountain Tree Farm QuarryPolk, ORMSHA 3502959 | Crushed, Broken TraprockSurface | AbandonedStatus date: 09/25/1980 | Three Way Portable CrushingReported operatorDave Hanson; Wendell LuxReported controller | Neither history importedView source coverage → |