| City Gravel PitSnohomish, WAMSHA 4502794 | Construction Sand and GravelSurface | AbandonedStatus date: 08/17/1982 | City Of SnohomishReported operatorCity Of SnohomishReported controller | Neither history importedView source coverage → |
| City PitSkagit, WAMSHA 4500965 | Construction Sand and GravelSurface | AbandonedStatus date: 06/18/1979 | City Of Mt Vernon Street DeptReported operatorCity Of Mt Vernon Street DeptReported controller | Neither history importedView source coverage → |
| City PitSkagit, WAMSHA 4501149 | Construction Sand and GravelSurface | AbandonedStatus date: 06/07/1978 | A J I CorpReported operatorMayer Jack IReported controller | Neither history importedView source coverage → |
| City PitJefferson, WAMSHA 4502924 | Construction Sand and GravelSurface | AbandonedStatus date: 09/30/1982 | City Of Port TownsendReported operatorCity Of Port TownsendReported controller | Neither history importedView source coverage → |
| Clark PitWhatcom, WAMSHA 4502713 | Construction Sand and GravelSurface | AbandonedStatus date: 05/16/1985 | Whatcom County Public WorksReported operatorWhatcom County-WaReported controller | Neither history importedView source coverage → |
| Clausen QuarrySpokane, WAMSHA 4502050 | Crushed, Broken TraprockSurface | AbandonedStatus date: 04/01/1980 | L M Johnson IncReported operatorJohnson L MReported controller | Neither history importedView source coverage → |
| Clauson QuarryWhatcom, WANear Maple FallsMSHA 4500058 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/15/2014 | Clauson Quarry LLCReported operatorJerry Hammer; Steve ButenschoenReported controller | Production / employmentSafety recordsView source coverage → |
| Clay City MinePierce, WANear EatonvilleMSHA 4501372 | Clay, Ceramic, Refractory Mnls.Surface | AbandonedStatus date: 09/08/2003 | Mutual Materials CoReported operatorMutual Materials CompanyReported controller | Production / employmentView source coverage → |
| Clay City PitsPierce, WAMSHA 4500257 | Clay, Ceramic, Refractory Mnls.Surface | AbandonedStatus date: 07/05/1994 | R Borgstrom Bulldozing IncReported operatorBorgstrom RichardReported controller | Neither history importedView source coverage → |
| Clay PitSnohomish, WAMSHA 4500255 | Common Clays NECSurface | AbandonedStatus date: 01/06/1981 | Clayburn IncReported operatorWilliams J LReported controller | Neither history importedView source coverage → |
| Cle Elum Cement Products PitKittitas, WAMSHA 4502718 | Common ShaleSurface | AbandonedStatus date: 07/30/1985 | Cle Elum Cement Products Company IncReported operatorPetrich AlanReported controller | Neither history importedView source coverage → |
| Cle Elum Sand & GravelKittitas, WAMSHA 4503255 | Construction Sand and GravelSurface | AbandonedStatus date: 04/08/2002 | Blue Dot Excavating IncReported operatorRandall K RauschmierReported controller | Production / employmentSafety recordsView source coverage → |
| Clendenen PitSkagit, WAMSHA 4501917 | Crushed, Broken TraprockSurface | AbandonedStatus date: 09/13/1977 | U S Forest ServiceReported operatorUnited States GovernmentReported controller | Neither history importedView source coverage → |
| Cleveland QuarrySpokane, WAMSHA 4502788 | Crushed, Broken TraprockSurface | AbandonedStatus date: 09/15/1981 | Spokane County Road DepartmentReported operatorSpokane County - WaReported controller | Neither history importedView source coverage → |
| Clodfelter QuarryBenton, WANear KennewickMSHA 4503576 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 10/01/2024 | Mahaffey Ent. Inc.Reported operatorDustin T MahaffeyReported controller | Production / employmentSafety recordsView source coverage → |
| C & L PORTABLE CRUSHERKittitas, WAMSHA 4502505 | Construction Sand and GravelSurface | AbandonedStatus date: 08/13/2001 | Cresto & Lanphere IncReported operatorRobert LanphereReported controller | Production / employmentView source coverage → |
| Cmi Portable PlantThurston, WAMSHA 4502627 | Construction Sand and GravelSurface | AbandonedStatus date: 01/16/1990 | Cascade Pumice IncReported operatorHarbor ResourcesReported controller | Neither history importedView source coverage → |
| C M S Rock QuarryCowlitz, WAMSHA 4502929 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 07/30/1981 | C M S Rock Quarries IncReported operatorStrode GeorgeReported controller | Neither history importedView source coverage → |
| Coal Creek Pit & PlantKing, WAMSHA 4502732 | Construction Sand and GravelSurface | AbandonedStatus date: 08/01/1980 | C Martin Trucking IncReported operatorMartin C Trucking IncReported controller | Neither history importedView source coverage → |
| Coal Creek Quarry & PlantCowlitz, WAMSHA 4501172 | Crushed, Broken TraprockSurface | AbandonedStatus date: 01/11/1979 | Cowlitz County Road DepartmentReported operatorCowlitz CountyReported controller | Neither history importedView source coverage → |
| Coal Lake Pit And MillSnohomish, WAMSHA 4502091 | Crushed, Broken TraprockSurface | AbandonedStatus date: 12/03/1977 | U S Forest ServiceReported operatorUnited States GovernmentReported controller | Neither history importedView source coverage → |
| Coe PitSnohomish, WAMSHA 4500946 | Construction Sand and GravelSurface | AbandonedStatus date: 07/10/1979 | Snohomish County Public WorksReported operatorSnohomish County-WaReported controller | Neither history importedView source coverage → |
| Colacurcio Brothers IncorporatedWhatcom, WAMSHA 4503182 | Construction Sand and GravelSurface | AbandonedStatus date: 01/19/1994 | Colacurcio Brothers IncReported operatorColacurcio DanReported controller | Neither history importedView source coverage → |
| Coleman Butte PitOkanogan, WAMSHA 4503040 | Construction Sand and GravelSurface | AbandonedStatus date: 08/25/1986 | Herriman Construction IncReported operatorHerriman CoyReported controller | Neither history importedView source coverage → |
| Cole PitGarfield, WAMSHA 4502739 | Crushed, Broken TraprockSurface | AbandonedStatus date: 07/25/1983 | De Atley Company IncReported operatorEucon CorporationReported controller | Neither history importedView source coverage → |
| Colfax QuarryWhitman, WAMSHA 4500554 | Crushed, Broken TraprockSurface | AbandonedStatus date: 05/03/1985 | Whitman Rock & ConstructionReported operatorWhitman Rock & ConstructionReported controller | Neither history importedView source coverage → |
| Collins PitPierce, WAMSHA 4502777 | Construction Sand and GravelSurface | AbandonedStatus date: 09/03/1991 | Collins Road Sand & Gravel IncReported operatorDelores A AfdemReported controller | Neither history importedView source coverage → |
| Colony Mountain PitSkagit, WAMSHA 4503233 | Construction Sand and GravelSurface | AbandonedStatus date: 12/21/1992 | Valley Paving & Construction IncReported operatorStudebaker TomReported controller | Neither history importedView source coverage → |
| COLUMBIA INDUSTRIAL PARK LLCDouglas, WAMSHA 4503443 | Construction Sand and GravelSurface | AbandonedStatus date: 08/13/2001 | Quality ConstructionReported operatorJohn WoodReported controller | Production / employmentSafety recordsView source coverage → |
| Columbia River Sand & Gravel Pit #1Cowlitz, WAMSHA 4502723 | Crushed, Broken TraprockSurface | AbandonedStatus date: 01/13/1983 | B & K Paving Company IncReported operatorLakeside Industries Inc.Reported controller | Neither history importedView source coverage → |