| Oak Stone QuarryFond Du Lac, WIMSHA 4700127 | Dimension LimestoneSurface | AbandonedStatus date: 04/06/1979 | Oak Stone CompanyReported operatorOak Stone CompanyReported controller | Neither history importedView source coverage → |
| Ober QuarryLa Crosse, WIMSHA 4701839 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 02/22/1983 | Edward Kraemer & Sons IncReported operatorThomas D Kraemer; Scott PetersonReported controller | Neither history importedView source coverage → |
| O'BRION PITBayfield, WIMSHA 4702590 | Construction Sand and GravelSurface | AbandonedStatus date: 04/13/1998 | South Shore Sand & GravelReported operatorFrostman Ralph AReported controller | Neither history importedView source coverage → |
| OCI Enterprises Bay PitWalworth, WINear DelavanMSHA 4703589 | Construction Sand and GravelSurface | AbandonedStatus date: 03/21/2023 | Odling ConstructionReported operatorDean OdlingReported controller | Production / employmentSafety recordsView source coverage → |
| O Connell PitSt Croix, WIMSHA 4702126 | Construction Sand and GravelSurface | AbandonedStatus date: 09/03/1982 | Saint Croix County Highway DepartmentReported operatorSaint Croix CountyReported controller | Neither history importedView source coverage → |
| Oconto County PitsOconto, WIMSHA 4701387 | Construction Sand and GravelSurface | AbandonedStatus date: 06/14/1985 | Jackie Foster IncReported operatorRichard FosterReported controller | Neither history importedView source coverage → |
| OLDENBURG PITDoor, WINear Baileys HarborMSHA 4702906 | Construction Sand and GravelSurface | AbandonedStatus date: 04/21/2014 | Harbor Construction Of Door County, Inc.Reported operatorKeith BonvilleReported controller | Production / employmentSafety recordsView source coverage → |
| Old Shop QuarryRock, WIMSHA 4702821 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 06/04/1987 | Rock County Department Of Public WorksReported operatorRock County - WiReported controller | Neither history importedView source coverage → |
| Oleary Quarry & MillRichland, WIMSHA 4702155 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/14/1979 | Bjoin Limestone IncReported operatorKristopher P Bjoin; Shaun M Bjoin; Jonathan M BjoinReported controller | Neither history importedView source coverage → |
| Olson Pit-TrempealeauTrempealeau, WINear TrempealeauMSHA 4703082 | Construction Sand and GravelSurface | AbandonedStatus date: 08/18/2011 | Croell Redi-Mix IncReported operatorKurt CroellReported controller | Production / employmentSafety recordsView source coverage → |
| Olson Road PitSawyer, WINear HaywardMSHA 4702741 | Construction Sand and GravelSurface | AbandonedStatus date: 10/15/2003 | Todd'S Redi-Mix Concrete LLCReported operatorPavement Materials LLCReported controller | Production / employmentSafety recordsView source coverage → |
| OlynickTaylor, WIMSHA 4701328 | Construction Sand and GravelSurface | AbandonedStatus date: 09/26/1979 | Luke Dernovsek ConstructionReported operatorDernovsek Luke JrReported controller | Neither history importedView source coverage → |
| Osceola PlantPolk, WIMSHA 4702551 | Construction Sand and GravelSurface | AbandonedStatus date: 03/22/1990 | Yellow River Supply CorpReported operatorDennis L NordstrandReported controller | Neither history importedView source coverage → |
| Oshkosh QuarryWinnebago, WINear OshkoshMSHA 4700220 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/30/2014 | Vulcan Construction Materials, L.P.Reported operatorVulcan Materials CompanyReported controller | Production / employmentSafety recordsView source coverage → |
| OTTO JACOBS COMPANY, LLCWalworth, WINear Lake GenevaMSHA 4702616 | Construction Sand and GravelSurface | AbandonedStatus date: 04/05/2004 | Otto Jacobs Company LlcReported operatorTom JacobsReported controller | Production / employmentSafety recordsView source coverage → |
| Panther Creek MineClark, WINear NeillsvilleMSHA 4703509 | Construction Sand and GravelSurface | AbandonedStatus date: 09/01/2020 | Panther Creek Sand LLCReported operatorPaul SaltReported controller | Production / employmentSafety recordsView source coverage → |
| Panther Creek SandWood, WINear Marshfield, WIMSHA 4703615 | Sand, Industrial NECFacility | AbandonedStatus date: 09/01/2020 | Panther Creek SandReported operatorPaul SaltReported controller | Production / employmentSafety recordsView source coverage → |
| PARENT WASH PLANTDoor, WIMSHA 4702886 | Construction Sand and GravelSurface | AbandonedStatus date: 02/28/2001 | Joseph H Parent IncReported operatorJoseph H ParentReported controller | Production / employmentSafety recordsView source coverage → |
| Parker Quarry & MillVernon, WIMSHA 4700126 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 04/10/1987 | Novy ConstructionReported operatorNovy ConstructionReported controller | Neither history importedView source coverage → |
| Parkview Sand & Gravel LLCRacine, WINear RochesterMSHA 4701380 | Construction Sand and GravelSurface | AbandonedStatus date: 04/12/2012 | Park View Sand & Gravel LLCReported operatorGeorgia A PavinReported controller | Production / employmentSafety recordsView source coverage → |
| Patnode QuarryPepin, WIMSHA 4702738 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/26/1988 | Wilber Lime Products IncReported operatorKenneth WilberReported controller | Neither history importedView source coverage → |
| Pattison Company, LLCCrawford, WINear Prairie du ChienMSHA 4703695 | Sand, Industrial NECSurface | AbandonedStatus date: 09/03/2026 | Pattison Company, LLCReported operatorKyle K PattisonReported controller | Production / employmentSafety recordsView source coverage → |
| Pc 101/102Dodge, WIMSHA 4702919 | Construction Sand and GravelSurface | AbandonedStatus date: 09/17/1993 | Dodge Construction Company IncReported operatorChapman WilliamReported controller | Neither history importedView source coverage → |
| PC-3Racine, WINear BurlingtonMSHA 4703100 | Construction Sand and GravelSurface | AbandonedStatus date: 05/14/2007 | Cretex Sand & Gravel IncReported operatorCretex Companies IncReported controller | Production / employmentSafety recordsView source coverage → |
| PC-6Waukesha, WINear WaukeshaMSHA 4703503 | Construction Sand and GravelSurface | AbandonedStatus date: 08/10/2011 | Payne & Dolan IncReported operatorKurt BechtholdReported controller | Production / employmentSafety recordsView source coverage → |
| Peacock Hill QyTrempealeau, WIMSHA 4700571 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/08/1986 | Edward Kraemer & Sons IncReported operatorThomas D Kraemer; Scott PetersonReported controller | Neither history importedView source coverage → |
| Pegson XR400SDane, WINear MadisonMSHA 4703978 | Construction Sand and GravelSurface | AbandonedStatus date: 07/09/2026 | Homburg Contractors Inc.Reported operatorChris HomburgReported controller | Production / employmentSafety recordsView source coverage → |
| Penninsula PitSawyer, WIMSHA 4702621 | Construction Sand and GravelSurface | AbandonedStatus date: 10/28/1981 | Sawyer County Highway DepartmentReported operatorSawyer County-WiReported controller | Neither history importedView source coverage → |
| PEP DUO-VIBE SCREENING PLANTRock, WIMSHA 4703162 | Construction Sand and GravelSurface | AbandonedStatus date: 02/21/2001 | Frank Brothers IncReported operatorKyle Frank; Timothy FrankReported controller | Production / employmentSafety recordsView source coverage → |
| Pep Single Vibe IMonroe, WIMSHA 4703043 | Construction Sand and GravelSurface | AbandonedStatus date: 09/13/1996 | Arthur Overgaard DivisionReported operatorMathy Construction CompanyReported controller | Neither history importedView source coverage → |