| North Star Sand & GravelWhatcom, WANear FerndaleMSHA 4503664 | Construction Sand and GravelSurface | AbandonedStatus date: 12/31/2009 | North Star Sand & GravelReported operatorRandy L ArestadReported controller | Production / employmentSafety recordsView source coverage → |
| Northwest ExcavatingWhatcom, WANear AcmeMSHA 4503649 | Crushed, Broken SandstoneSurface | AbandonedStatus date: 06/15/2009 | Northwest ExcavatingReported operatorJohn L SandeReported controller | Production / employmentSafety recordsView source coverage → |
| Northwest PitWhatcom, WAMSHA 4502745 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/1990 | Pacific Concrete IndustriesReported operatorGary W OrrReported controller | Neither history importedView source coverage → |
| Northwest Rock PitGrays Harbor, WAMSHA 4502763 | Construction Sand and GravelSurface | AbandonedStatus date: 04/26/1985 | Boe Sand & Gravel IncReported operatorGordon Boe; Myron StruckReported controller | Neither history importedView source coverage → |
| Nortwest Paving PitWhitman, WAMSHA 4500219 | Crushed, Broken TraprockSurface | AbandonedStatus date: 11/13/1979 | Crow Rock Products IncReported operatorCrow Rock Products IncReported controller | Neither history importedView source coverage → |
| N P PitGrant, WAMSHA 4502493 | Crushed, Broken TraprockSurface | AbandonedStatus date: 10/25/1978 | Grant County Engineering DepartmentReported operatorGrant County - WaReported controller | Neither history importedView source coverage → |
| Nursery PitKing, WAMSHA 4500500 | Construction Sand and GravelSurface | AbandonedStatus date: 12/11/1979 | Weyerhaeuser CompanyReported operatorGeorge WeyerhaeuserReported controller | Neither history importedView source coverage → |
| NW Sand & Gravel IncSnohomish, WANear SnohomishMSHA 4503421 | Construction Sand and GravelSurface | AbandonedStatus date: 03/11/2003 | Nw Sand & Gravel Products IncReported operatorJohn SchilatyReported controller | Production / employmentSafety recordsView source coverage → |
| o8cec5x12Thurston, WANear centrailaMSHA 4503703 | Construction Sand and GravelSurface | AbandonedStatus date: 06/13/2012 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Oak Harbor PitIsland, WANear Oak HarborMSHA 4500607 | Construction Sand and GravelSurface | AbandonedStatus date: 12/27/2012 | Miles Sand & Gravel CompanyReported operatorWalt MilesReported controller | Production / employmentSafety recordsView source coverage → |
| Oak Harbor PitIsland, WAMSHA 4502357 | Construction Sand and GravelSurface | AbandonedStatus date: 01/15/1981 | L G CunninghamReported operatorL G CunninghamReported controller | Neither history importedView source coverage → |
| Oakville PitGrays Harbor, WAMSHA 4502833 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 04/22/1985 | Quigg Brothers-Mc Donald IncReported operatorHarbor ResourcesReported controller | Neither history importedView source coverage → |
| Oakville QuarryGrays Harbor, WAMSHA 4502542 | Crushed, Broken TraprockSurface | AbandonedStatus date: 01/24/1979 | Quigg Brothers-Mc Donald IncReported operatorHarbor ResourcesReported controller | Neither history importedView source coverage → |
| O'Brien QuarrySnohomish, WANear Granite FallsMSHA 4503662 | Crushed, Broken SandstoneSurface | AbandonedStatus date: 04/13/2012 | O'Brien Sand and Gravel IncReported operatorRobert F O'BrienReported controller | Production / employmentSafety recordsView source coverage → |
| O'Connor PitThurston, WAMSHA 4501544 | Construction Sand and GravelSurface | AbandonedStatus date: 06/11/1979 | Jim O'ConnorReported operatorJames C O'ConnorReported controller | Neither history importedView source coverage → |
| OC Screen #1Okanogan, WANear OkanoganMSHA 4503660 | Construction Sand and GravelSurface | AbandonedStatus date: 10/22/2026 | Okanogan County Public WorksReported operatorOkanogan County-WaReported controller | Production / employmentSafety recordsView source coverage → |
| OC Screen #2Okanogan, WANear OkanoganMSHA 4503659 | Construction Sand and GravelSurface | AbandonedStatus date: 07/06/2009 | Okanogan County Public WorksReported operatorOkanogan County-WaReported controller | Production / employmentView source coverage → |
| Odair PitGrant, WAMSHA 4502356 | Construction Sand and GravelSurface | AbandonedStatus date: 03/29/1979 | Central Pre-Mix Concrete CompanyReported operatorCRH PLCReported controller | Neither history importedView source coverage → |
| Old CliftonKitsap, WAMSHA 4503243 | Construction Sand and GravelSurface | AbandonedStatus date: 07/31/1992 | R V Associates IncReported operatorW E (Red) LumdsenReported controller | Neither history importedView source coverage → |
| Old Corral Pit No 63-5Spokane, WAMSHA 4502006 | Construction Sand and GravelSurface | AbandonedStatus date: 09/15/1981 | Spokane County Road DepartmentReported operatorSpokane County - WaReported controller | Neither history importedView source coverage → |
| Old Dominion MineStevens, WAMSHA 4502948 | Silver OreFacility | AbandonedStatus date: 12/15/1982 | Western Land & Resources IncReported operatorClemets Martin & D C R NordstromReported controller | Neither history importedView source coverage → |
| Old Horstman MineClallam, WAMSHA 4501724 | Gold OreUnderground | AbandonedStatus date: 01/28/1974 | H G HorstmanReported operatorH G HorstmanReported controller | Neither history importedView source coverage → |
| Old King CoalLewis, WANear CentraliaMSHA 4502696 | Coal (Bituminous)Facility | AbandonedStatus date: 08/01/1984 | Old King Coal Company IncReported operatorParkin Wayne TReported controller | Neither history importedView source coverage → |
| Old Mill SiteOkanogan, WANear TwispMSHA 4503491 | Construction Sand and GravelSurface | AbandonedStatus date: 08/10/2009 | Lloyd Logging IncReported operatorDon Maples; Bob LloydReported controller | Production / employmentSafety recordsView source coverage → |
| Old Smokey PitClallam, WAMSHA 4503222 | Construction Sand and GravelSurface | AbandonedStatus date: 02/09/1993 | Northwest Forest ResourcesReported operatorITT CorpReported controller | Neither history importedView source coverage → |
| Olds PitKittitas, WAMSHA 4501273 | Construction Sand and GravelSurface | AbandonedStatus date: 12/13/1978 | Kittitas County Road DepartmentReported operatorKittitas CountyReported controller | Neither history importedView source coverage → |
| Olds Station PitChelan, WAMSHA 4500599 | Construction Sand and GravelSurface | AbandonedStatus date: 09/30/1986 | Columbia River ConcreteReported operatorGoodfellow Brothers LLCReported controller | Neither history importedView source coverage → |
| Olivine MillWhatcom, WAMSHA 4500942 | Misc. Nonmetallic Mnls. NECFacility | AbandonedStatus date: 09/15/1987 | Olivine CorpReported operatorCorliss (Corky) Smith Jr; Mae L SmithReported controller | Neither history importedView source coverage → |
| OLSON PITPierce, WAMSHA 4503416 | Construction Sand and GravelSurface | AbandonedStatus date: 09/11/2000 | R & M TruckingReported operatorLeonard RooseveltReported controller | Safety recordsView source coverage → |
| Olson QuarrySnohomish, WAMSHA 4501341 | Crushed, Broken TraprockSurface | AbandonedStatus date: 01/14/1981 | Olson & Taylor IncReported operatorDonald TaylorReported controller | Neither history importedView source coverage → |