| May RockJackson, ORNear AshfordMSHA 3500382 | Common ShaleType not reported | AbandonedStatus date: 02/01/1993 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| May RockJackson, ORMSHA 3503382 | Common ShaleSurface | AbandonedStatus date: 08/11/1993 | May Rock ExcavatingReported operatorMay Ken & DanReported controller | Neither history importedView source coverage → |
| Mcallister QuarryClatsop, ORMSHA 3500855 | Crushed, Broken TraprockSurface | AbandonedStatus date: 08/16/1978 | Sunset Crushed Rock Company IncReported operatorSunset Crushed Rock Company IncReported controller | Neither history importedView source coverage → |
| McClosky 50Marion, ORNear McMinnvilleMSHA 3503911 | Construction Sand and GravelSurface | AbandonedStatus date: 09/12/2023 | Saunders Inc.Reported operatorJonathan SaundersReported controller | Production / employmentSafety recordsView source coverage → |
| Mc Coy Creek PitMarion, ORMSHA 3502914 | Crushed, Broken TraprockSurface | AbandonedStatus date: 09/22/1983 | R S Burch CompanyReported operatorMc Gill Robert LReported controller | Neither history importedView source coverage → |
| Mc Coy Creek Rock PitGrant, ORMSHA 3502925 | Crushed, Broken TraprockSurface | AbandonedStatus date: 05/20/1980 | Gross & HansonReported operatorGross GeneReported controller | Neither history importedView source coverage → |
| Mc Dowell QuarryYamhill, ORMSHA 3501084 | Crushed, Broken TraprockSurface | AbandonedStatus date: 10/26/1984 | C C Meisel Company IncReported operatorLloyd TownReported controller | Neither history importedView source coverage → |
| McFarlane Portable CrushingDeschutes, ORNear RedmondMSHA 3503569 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 09/22/2004 | Kelly McFarlane ContractingReported operatorKelly R McFarlaneReported controller | Production / employmentSafety recordsView source coverage → |
| Mcmullen Creek PitCoos, ORMSHA 3502356 | Crushed, Broken TraprockSurface | AbandonedStatus date: 08/10/1978 | Bob Angell IncReported operatorAngell BobReported controller | Neither history importedView source coverage → |
| Mc Nary Pit & PlantMarion, ORMSHA 3500577 | Construction Sand and GravelSurface | AbandonedStatus date: 11/27/1979 | Alaska Sand & Gravel CompanyReported operatorSuhre DwainReported controller | Neither history importedView source coverage → |
| Mc Nutt PitLinn, ORMSHA 3500496 | Construction Sand and GravelSurface | AbandonedStatus date: 03/14/1994 | Morse Brothers IncReported operatorMorse Brothers IncReported controller | Neither history importedView source coverage → |
| Meadowbrook PitClackamas, ORMSHA 3500942 | Construction Sand and GravelSurface | AbandonedStatus date: 02/01/1981 | Clackamas County Dept Of Environmental ServicesReported operatorClackamas County-OrReported controller | Neither history importedView source coverage → |
| Meadow Creek Pit & PlantCurry, ORMSHA 3502715 | Crushed, Broken TraprockSurface | AbandonedStatus date: 06/14/1978 | Bob Angell IncReported operatorAngell BobReported controller | Neither history importedView source coverage → |
| Meadows RockMultnomah, ORNear PORTLANDMSHA 3503491 | Construction Sand and GravelSurface | AbandonedStatus date: 08/02/2021 | Wilkins Trucking Company IncReported operatorMike WilkinsReported controller | Production / employmentSafety recordsView source coverage → |
| Medford Ready-Mix Pit & CrusherJackson, ORMSHA 3502955 | Construction Sand and GravelSurface | AbandonedStatus date: 08/08/1996 | Medford Ready-Mix Concrete IncReported operatorMedford Ready-Mix Concrete IncReported controller | Neither history importedView source coverage → |
| Melius QuarryDouglas, ORMSHA 3503066 | Crushed, Broken TraprockSurface | AbandonedStatus date: 04/01/1981 | Sun Studs IncReported operatorFred SohnReported controller | Neither history importedView source coverage → |
| Merchen & Reed Gr. Co., Inc.Coos, ORNear PowersMSHA 3501017 | Crushed, Broken TraprockSurface | AbandonedStatus date: 04/28/2011 | Merchem & Reed Gr. Co., Inc.Reported operatorRamsey Bushnell; Mitch Bushnell; Mickey BushnellReported controller | Production / employmentSafety recordsView source coverage → |
| Merrill QuarryKlamath, ORMSHA 3500936 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 01/15/1981 | Klamath County Road DepartmentReported operatorKlamath County - OrReported controller | Neither history importedView source coverage → |
| Meskowin PitTillamook, ORMSHA 3502689 | Crushed, Broken TraprockSurface | AbandonedStatus date: 05/21/1979 | M E Kauffman Crushing CompanyReported operatorHarold L KauffmanReported controller | Neither history importedView source coverage → |
| Messman Creek PitLake, ORMSHA 3501994 | Crushed, Broken TraprockSurface | AbandonedStatus date: 11/16/1978 | John L Wilson IncReported operatorJohn L Wilson IncReported controller | Neither history importedView source coverage → |
| Metolius QuarryJefferson, ORNear MadrasMSHA 3503985 | Construction Sand and GravelSurface | AbandonedStatus date: 06/23/2026 | Rickabaugh ConstructionReported operatorBryan Brown; Marc RickabaughReported controller | Production / employmentView source coverage → |
| Metolius Rock QuarryJefferson, ORNear MetoliusMSHA 3503413 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 11/07/2016 | Downing Construction IncReported operatorMike DowningReported controller | Production / employmentSafety recordsView source coverage → |
| METRO PORTABLE #5Clackamas, ORNear BrightwoodMSHA 3502382 | Crushed, Broken TraprockSurface | AbandonedStatus date: 07/31/2024 | Knife River Corporation-NorthwestReported operatorKnife River CorporationReported controller | Production / employmentSafety recordsView source coverage → |
| Miami PitTillamook, ORMSHA 3502664 | Crushed, Broken TraprockSurface | AbandonedStatus date: 09/10/1979 | Clair D Hixson ConstructionReported operatorClair D Hixson ConstructionReported controller | Neither history importedView source coverage → |
| Middle Earth OrganicJackson, ORNear Gold HillMSHA 3503559 | Common Clays NECSurface | AbandonedStatus date: 02/15/2004 | Middle Earth OrganicReported operatorMalvin Robinson; Richard CormierReported controller | Production / employmentSafety recordsView source coverage → |
| Middle Fork Rogue Pit And PlantJackson, ORMSHA 3502312 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/10/1978 | M C Lininger & Sons IncReported operatorC Gregg LiningerReported controller | Neither history importedView source coverage → |
| Mid Valley Gravel Co-Portable CrusherBenton, ORNear PhilomathMSHA 3503498 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 07/15/2019 | Mid-Valley Gravel CompanyReported operatorDorothea D Ellis; Mark EllisReported controller | Production / employmentSafety recordsView source coverage → |
| Miles PitLake, ORMSHA 3502589 | Crushed, Broken TraprockSurface | AbandonedStatus date: 06/22/1981 | Southern Oregon Rock CompanyReported operatorSouthern Oregon Aggregate IncReported controller | Neither history importedView source coverage → |
| Miller PitUnion, ORMSHA 3500090 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 06/10/1987 | Union County Road DepartmentReported operatorUnion County Road DepartmentReported controller | Neither history importedView source coverage → |
| Miller PitDeschutes, ORMSHA 3502930 | Crushed, Broken TraprockSurface | AbandonedStatus date: 07/10/1980 | Continental Crushing & LeasingReported operatorLeo CaseyReported controller | Neither history importedView source coverage → |