| OLYMPIA VIEW INDUSTRIAL PARK PITKitsap, WANear KelsoMSHA 4503287 | Construction Sand and GravelSurface | AbandonedStatus date: 06/24/2008 | Morrison Gravel IncReported operatorMorrison Kenneth DReported controller | Production / employmentView source coverage → |
| Opsahl Pit & PlantCowlitz, WAMSHA 4503296 | Construction Sand and GravelSurface | AbandonedStatus date: 06/27/1994 | Craig Opsahl Rock & ConstructionReported operatorOpsahl A CraigReported controller | Neither history importedView source coverage → |
| Orazada MineStevens, WAMSHA 4502931 | Silver OreUnderground | AbandonedStatus date: 08/09/1982 | Orazada Mines IncReported operatorOrazada Mines IncReported controller | Neither history importedView source coverage → |
| Oro Fino MineKittitas, WAMSHA 4502969 | Gold OreSurface | AbandonedStatus date: 12/04/1985 | G E GrederReported operatorG E GrederReported controller | Neither history importedView source coverage → |
| Oroville Transit Mix Inc PlantOkanogan, WAMSHA 4500962 | Construction Sand and GravelSurface | AbandonedStatus date: 09/22/1982 | Oroville Transit Mix IncReported operatorOroville Transit Mix IncReported controller | Neither history importedView source coverage → |
| Oso QuarrySnohomish, WAMSHA 4501124 | Crushed, Broken TraprockSurface | AbandonedStatus date: 12/22/1978 | Snohomish County Road DistrictReported operatorSnohomish County-WaReported controller | Neither history importedView source coverage → |
| Othello PitAdams, WAMSHA 4500591 | Construction Sand and GravelSurface | AbandonedStatus date: 11/13/1979 | Columbia Sand & GravelReported operatorMc Atee Frayne LReported controller | Neither history importedView source coverage → |
| O T I D PitOkanogan, WAMSHA 4502827 | Construction Sand and GravelSurface | AbandonedStatus date: 01/12/1981 | Linbrook Construction CompanyReported operatorLinbrook Construction CompanyReported controller | Neither history importedView source coverage → |
| Overlook Mine SiteFerry, WAMSHA 4503184 | Gold OreUnderground | AbandonedStatus date: 10/26/1995 | Echo Bay Minerals CompanyReported operatorEcho Bay Mines LtdReported controller | Neither history importedView source coverage → |
| Owl Creek Wasser & Winters CoCowlitz, WANear KelsoMSHA 4503507 | Construction Sand and GravelSurface | AbandonedStatus date: 01/27/2003 | Wasser & Winters CoReported operatorRay D Winters; Ronald G BergReported controller | Production / employmentSafety recordsView source coverage → |
| Ozette QuarryClallam, WAMSHA 4502318 | Crushed, Broken TraprockSurface | AbandonedStatus date: 11/26/1979 | Itt Rayonier IncReported operatorITT CorpReported controller | Neither history importedView source coverage → |
| Pacific Mutual MineFerry, WAMSHA 4501505 | Silver OreUnderground | AbandonedStatus date: 12/07/1978 | Nesco Mining CorpReported operatorMc Nett Bruce RReported controller | Neither history importedView source coverage → |
| Palisades PitDouglas, WAMSHA 4503143 | Construction Sand and GravelSurface | AbandonedStatus date: 08/04/1994 | Bethlehem Sand & Gravel IncReported operatorMichael J AddlemanReported controller | Neither history importedView source coverage → |
| Palmer PitMason, WAMSHA 4502462 | Construction Sand and GravelSurface | AbandonedStatus date: 03/24/1980 | Mason County Road DepartmentReported operatorMason CountyReported controller | Neither history importedView source coverage → |
| Palouse Crusher PlantSpokane, WAMSHA 4502242 | Construction Sand and GravelSurface | AbandonedStatus date: 03/08/1995 | Palouse Asphalt Paving Company IncReported operatorRanniger EdReported controller | Neither history importedView source coverage → |
| Pangborn PitWhatcom, WAMSHA 4503205 | Construction Sand and GravelSurface | AbandonedStatus date: 11/13/1990 | Stremler GravelReported operatorStremler VirgilReported controller | Neither history importedView source coverage → |
| Panhandle Lake QuarryMason, WAMSHA 4502461 | Crushed, Broken TraprockSurface | AbandonedStatus date: 12/14/1982 | Simpson Timber CompanyReported operatorSimpson Timber CompanyReported controller | Neither history importedView source coverage → |
| Park Pit #2Jefferson, WAMSHA 4502695 | Construction Sand and GravelSurface | AbandonedStatus date: 11/09/1981 | Chelatchie Rock ProductsReported operatorSchwartz Dave & Roger OlsonReported controller | Neither history importedView source coverage → |
| Park Road PlantSpokane, WANear SpokaneMSHA 4500560 | Construction Sand and GravelSurface | AbandonedStatus date: 07/20/2009 | Central Pre-Mix Concrete Co.Reported operatorCRH PLCReported controller | Production / employmentSafety recordsView source coverage → |
| Parnell QuarryWhitman, WAMSHA 4500848 | Crushed, Broken TraprockSurface | AbandonedStatus date: 08/09/1982 | Whitman County EngineersReported operatorWhitman County - WaReported controller | Neither history importedView source coverage → |
| Pasco FacilityFranklin, WANear PascoMSHA 4500730 | Construction Sand and GravelSurface | AbandonedStatus date: 07/21/2025 | American Rock Products, Inc.Reported operatorCRH PLCReported controller | Production / employmentSafety recordsView source coverage → |
| Patit Creek QuarryColumbia, WAMSHA 4502837 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/28/1980 | Materne Brothers CompanyReported operatorR E Materne SrReported controller | Neither history importedView source coverage → |
| Pearl Grey QuarryStevens, WAMSHA 4503257 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/09/1994 | Nanome Aggregates IncReported operatorImasco Minerals IncReported controller | Neither history importedView source coverage → |
| PEELL - DOTY OPERATIONLewis, WAMSHA 4503054 | Crushed, Broken TraprockSurface | AbandonedStatus date: 04/16/2000 | Weyerhaeuser CompanyReported operatorGeorge WeyerhaeuserReported controller | Production / employmentView source coverage → |
| Peninsula Sand & GravelMason, WANear mapel valleyMSHA 4503535 | Construction Sand and GravelSurface | AbandonedStatus date: 10/31/2012 | Peninsula Topsoil LLCReported operatorStephen J Johnson; Jack JohnsonReported controller | Production / employmentSafety recordsView source coverage → |
| Pennullick AdditionGrant, WAMSHA 4502857 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 10/31/1984 | Rock Rats CrushingReported operatorEllestad RolandReported controller | Neither history importedView source coverage → |
| Person PitKing, WAMSHA 4503167 | Construction Sand and GravelSurface | AbandonedStatus date: 10/30/1989 | Person Sand & Gravel IncReported operatorPerson Sand & Gravel IncReported controller | Neither history importedView source coverage → |
| Peterson PitKitsap, WAMSHA 4502481 | Construction Sand and GravelSurface | AbandonedStatus date: 08/19/1980 | Ray Peterson BulldozingReported operatorRay Peterson BulldozingReported controller | Neither history importedView source coverage → |
| Peterson PitSkagit, WANear North Cascades National ParkMSHA 4503189 | Construction Sand and GravelSurface | AbandonedStatus date: 08/13/2001 | Miles Sand & Gravel CompanyReported operatorWalt MilesReported controller | Production / employmentSafety recordsView source coverage → |
| Peters PitSpokane, WAMSHA 4502921 | Construction Sand and GravelSurface | AbandonedStatus date: 09/15/1981 | N A Degerstrom IncReported operatorN A DegerstromReported controller | Neither history importedView source coverage → |