| Columbia River Sand & Gravel Pit #2Cowlitz, WAMSHA 4502724 | Crushed, Broken TraprockSurface | AbandonedStatus date: 10/22/1981 | Columbia River Sand & GravelReported operatorStaredahl JerryReported controller | Neither history importedView source coverage → |
| Columbia River Sand & Gravel Pit #3Cowlitz, WAMSHA 4502725 | Construction Sand and GravelSurface | AbandonedStatus date: 11/14/1979 | North Clark ConstructionReported operatorWillis R WaldowReported controller | Neither history importedView source coverage → |
| Columbia Rock ProductsClark, WANear WashougalMSHA 4503798 | Construction Sand and GravelSurface | AbandonedStatus date: 08/23/2021 | Columbia Rock ProductsReported operatorRyan McDonald; Gerald SauerReported controller | Production / employmentSafety recordsView source coverage → |
| Comptons PitLewis, WAMSHA 4503033 | Construction Sand and GravelSurface | AbandonedStatus date: 09/30/1992 | Comptons Excavating ServiceReported operatorCompton JulianReported controller | Neither history importedView source coverage → |
| Conelly PitSnohomish, WAMSHA 4501744 | Construction Sand and GravelSurface | AbandonedStatus date: 11/24/1978 | Lakeside IndustriesReported operatorLakeside Industries Inc.Reported controller | Neither history importedView source coverage → |
| Connell PortableFranklin, WANear ConnellMSHA 4503544 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/24/2020 | Connell Sand & Gravel IncReported operatorAlan C HilleReported controller | Production / employmentSafety recordsView source coverage → |
| Cook Grade PitSkamania, WAMSHA 4502522 | Crushed, Broken TraprockSurface | AbandonedStatus date: 09/01/1978 | Skamania CountyReported operatorSkamania County-WaReported controller | Production / employmentView source coverage → |
| Corliss Fikse PitKing, WAMSHA 4501215 | Construction Sand and GravelSurface | AbandonedStatus date: 03/07/1979 | Corliss CompanyReported operatorScott D CorlissReported controller | Neither history importedView source coverage → |
| Corps Of Engineers PitOkanogan, WAMSHA 4502776 | Construction Sand and GravelSurface | AbandonedStatus date: 04/14/1980 | N A Degerstrom IncReported operatorN A DegerstromReported controller | Neither history importedView source coverage → |
| Cosmopolis Pit (Mobile Screen)Grays Harbor, WANear ComopolisMSHA 4502382 | Construction Sand and GravelSurface | AbandonedStatus date: 04/22/2008 | Weyerhaeuser CompanyReported operatorGeorge WeyerhaeuserReported controller | Production / employmentSafety recordsView source coverage → |
| Costa MinePend Oreille, WAMSHA 4500891 | Gold OreSurface | AbandonedStatus date: 11/06/1979 | George Costa OwnerReported operatorCosta GeorgeReported controller | Neither history importedView source coverage → |
| Cottonwood Ranch PitGrays Harbor, WANear HoquimaMSHA 4503597 | Construction Sand and GravelSurface | AbandonedStatus date: 09/04/2007 | Cottonwood Ranch IncReported operatorWilliam D QuiggReported controller | Production / employmentSafety recordsView source coverage → |
| COULEE CONCRETE PITOkanogan, WAMSHA 4501252 | Construction Sand and GravelSurface | AbandonedStatus date: 11/01/1998 | Coulee ConcreteReported operatorHood Alice LReported controller | Neither history importedView source coverage → |
| Coulee Spring PitOkanogan, WAMSHA 4502793 | Construction Sand and GravelSurface | AbandonedStatus date: 01/12/1981 | Northwest Paving & Construction Company IncReported operatorKnapp Kenneth KReported controller | Neither history importedView source coverage → |
| County Line QuarryThurston, WAMSHA 4502936 | Crushed, Broken TraprockSurface | AbandonedStatus date: 10/05/1981 | Washington State Department Of Natural ResourcesReported operatorState Of WashingtonReported controller | Neither history importedView source coverage → |
| County PitStevens, WAMSHA 4502928 | Construction Sand and GravelSurface | AbandonedStatus date: 08/19/1981 | S & F Construction CompanyReported operatorNoreen M DevlinReported controller | Neither history importedView source coverage → |
| County Portable ScreensJefferson, WAMSHA 4503139 | Construction Sand and GravelSurface | AbandonedStatus date: 08/12/1991 | Jefferson County Public Works DepartmentReported operatorJefferson County-WaReported controller | Neither history importedView source coverage → |
| County Zone No 1Clallam, WAMSHA 4503162 | Construction Sand and GravelSurface | AbandonedStatus date: 07/26/1991 | Clallam County-Department Of Public WorksReported operatorClallam County-WaReported controller | Neither history importedView source coverage → |
| County Zone No 2Clallam, WAMSHA 4503163 | Construction Sand and GravelSurface | AbandonedStatus date: 07/26/1991 | Clallam County-Department Of Public WorksReported operatorClallam County-WaReported controller | Neither history importedView source coverage → |
| County Zone No 3Clallam, WAMSHA 4503164 | Construction Sand and GravelSurface | AbandonedStatus date: 07/26/1991 | Clallam County-Department Of Public WorksReported operatorClallam County-WaReported controller | Neither history importedView source coverage → |
| Coupeville Pit & Screening PlantIsland, WAMSHA 4501298 | Construction Sand and GravelSurface | AbandonedStatus date: 01/15/1981 | Island County Road DepartmentReported operatorIsland County - WAReported controller | Neither history importedView source coverage → |
| Court Street PitBenton, WAMSHA 4502983 | Construction Sand and GravelSurface | AbandonedStatus date: 10/02/1984 | Central Pre MixReported operatorCentral Pre MixReported controller | Neither history importedView source coverage → |
| Covington PitKing, WAMSHA 4501491 | Construction Sand and GravelSurface | AbandonedStatus date: 09/09/1985 | Iddings IncReported operatorIddings IncReported controller | Neither history importedView source coverage → |
| Covington Pit - Division #9King, WAMSHA 4501200 | Construction Sand and GravelSurface | AbandonedStatus date: 04/30/1979 | King County Department Of Public WorksReported operatorKing CountyReported controller | Neither history importedView source coverage → |
| Coweeman PitCowlitz, WANear KelsoMSHA 4503237 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2021 | De Rosier Trucking IncReported operatorScott A De RosierReported controller | Production / employmentSafety recordsView source coverage → |
| Coweeman Pit & PlantCowlitz, WAMSHA 4500829 | Crushed, Broken TraprockSurface | AbandonedStatus date: 01/23/1984 | Lakeside IndustriesReported operatorLakeside Industries Inc.Reported controller | Neither history importedView source coverage → |
| Coyote Creek PitDouglas, WAMSHA 4502440 | Construction Sand and GravelSurface | AbandonedStatus date: 08/08/1979 | Coyote Canyon PitReported operatorCoyote Canyon PitReported controller | Neither history importedView source coverage → |
| Cp-6Spokane, WAMSHA 4503011 | Crushed, Broken TraprockSurface | AbandonedStatus date: 08/24/1988 | Max J Kuney CompanyReported operatorKuney Max J CompanyReported controller | Neither history importedView source coverage → |
| Crabtree PitKing, WAMSHA 4502804 | Construction Sand and GravelSurface | AbandonedStatus date: 09/17/1980 | Mid-Island Rock Products IncReported operatorArchibald JimReported controller | Neither history importedView source coverage → |
| Cream QuarryStevens, WAMSHA 4500810 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 03/01/1978 | North American Non Metallics IncReported operatorNorth American Non Metallics IncReported controller | Neither history importedView source coverage → |