| Norris Aggregate Products Co. -Plant #70Andrew, MONear BethanyMSHA 2301939 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/01/2007 | Norris Asphalt Paving CompanyReported operatorBrady D MeldremReported controller | Production / employmentSafety recordsView source coverage → |
| Norris Quarries Plant #02Livingston, MONear ChillicotheMSHA 2302541 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 11/18/2020 | ConAgg Companies LLCReported operatorSummit Materials LLCReported controller | Production / employmentSafety recordsView source coverage → |
| Norris Quarries Plant #2Buchanan, MONear StanberryMSHA 2302399 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 05/25/2017 | Con-Agg of MO. LLC Reported operatorSummit Materials LLCReported controller | Production / employmentSafety recordsView source coverage → |
| Norris Quarries Plant #3De Kalb, MONear RollaMSHA 2301930 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/23/2017 | Con-Agg of MO. LLC Reported operatorSummit Materials LLCReported controller | Production / employmentSafety recordsView source coverage → |
| North Gallatin Quarry Or Gallatin StoneDaviess, MOMSHA 2300194 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/05/1985 | Martin Marietta CorpReported operatorMartin Marietta Materials IncReported controller | Neither history importedView source coverage → |
| North Missouri Sand Company No 1Adair, MOMSHA 2301884 | Construction Sand and GravelSurface | AbandonedStatus date: 04/01/1986 | North Missouri Sand CompanyReported operatorNorth Missouri Sand CompanyReported controller | Neither history importedView source coverage → |
| North Quarry (CS55)St Louis, MONear FloaissantMSHA 2300223 | Dimension LimestoneSurface | AbandonedStatus date: 09/03/2003 | Central Stone CompanyReported operatorRiverstone GroupReported controller | Production / employmentSafety recordsView source coverage → |
| NORTHSIDE LANDFILLE INCFranklin, MONear WashingtonMSHA 2302103 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/01/2004 | Northside Landfill IncReported operatorHarry A GephardtReported controller | Production / employmentSafety recordsView source coverage → |
| Northwest Mine & MillBenton, MOMSHA 2300924 | Crushed, Broken Limestone NECUnderground | AbandonedStatus date: 01/23/1990 | Hilty Quarries IncReported operatorCRH PLCReported controller | Neither history importedView source coverage → |
| Norwood Quarry And MillWright, MOMSHA 2301663 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 09/22/1980 | Mansfield Lime & Stone Quarry IncReported operatorWayne M MoodyReported controller | Neither history importedView source coverage → |
| O A Graves No 1Gasconade, MOMSHA 2301319 | Common Clays NECSurface | AbandonedStatus date: 10/15/1980 | Allied Corp-Allied Chemical CompanyReported operatorAllied-Signal IncReported controller | Neither history importedView source coverage → |
| Oberkrom Pit #1Gasconade, MOMSHA 2301813 | Clay, Ceramic, Refractory Mnls.Surface | AbandonedStatus date: 03/09/1983 | Jones & Turner IncReported operatorTurner James AReported controller | Neither history importedView source coverage → |
| O'Brien PitMcdonald, MOMSHA 2301826 | Construction Sand and GravelSurface | AbandonedStatus date: 05/29/1990 | B & B Sand & Gravel IncReported operatorRon BeshearsReported controller | Neither history importedView source coverage → |
| O'FALLON STONESt Charles, MONear O'FallonMSHA 2300036 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 01/04/2010 | Fred Weber IncReported operatorFred Weber, Inc.Reported controller | Production / employmentSafety recordsView source coverage → |
| Old Monroe Sand Gravel LLCLincoln, MONear Old MonroeMSHA 2302288 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2015 | Old Monroe Sand & Gravel LLCReported operatorThe Edwin B Keevan Jr Revocable Trust; C Scott HiebertReported controller | Production / employmentSafety recordsView source coverage → |
| O M Groff No 2Gasconade, MOMSHA 2301567 | Common Clays NECSurface | AbandonedStatus date: 10/15/1980 | Allied Corp-Allied Chemical CompanyReported operatorAllied-Signal IncReported controller | Neither history importedView source coverage → |
| One Source Rockworks LLCCamden, MONear CamdentonMSHA 2302535 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 09/01/2023 | One Source Rock Works, LLCReported operatorKAH Legacy Holding Company LLCReported controller | Production / employmentSafety recordsView source coverage → |
| Oran PlantScott, MOMSHA 2301005 | Common Clays NECFacility | AbandonedStatus date: 03/22/1993 | Golden Cat CorpReported operatorGood Capital Inc & Knightsbridge IncReported controller | Neither history importedView source coverage → |
| Oregon QuarryHolt, MOMSHA 2301190 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/05/1985 | Gordon Brothers Quarries IncReported operatorMartin Marietta Materials IncReported controller | Neither history importedView source coverage → |
| Orth Brothers Quarry And MillSt Louis, MOMSHA 2300169 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 04/06/1978 | Orth BrothersReported operatorOrth BrothersReported controller | Neither history importedView source coverage → |
| Orth'S Pit And PlantPerry, MOMSHA 2301129 | Construction Sand and GravelSurface | AbandonedStatus date: 05/29/1985 | Orth'S Sand & Gravel CompanyReported operatorOrth BeulahReported controller | Neither history importedView source coverage → |
| Orth'S Quarry And MillSte Genevieve, MOMSHA 2301406 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 05/29/1985 | Orth'S Sand & Gravel CompanyReported operatorOrth BeulahReported controller | Neither history importedView source coverage → |
| Osage County QuarryOsage, MOMSHA 2301446 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/05/1984 | Osage County Quarry CompanyReported operatorOsage County Quarry CompanyReported controller | Neither history importedView source coverage → |
| Osage Fork PitLaclede, MOMSHA 2301667 | Construction Sand and GravelSurface | AbandonedStatus date: 04/22/1980 | Valley Sand & GravelReported operatorValley Sand & GravelReported controller | Neither history importedView source coverage → |
| Osage Mine & MillCamden, MOMSHA 2301174 | Crushed, Broken Limestone NECUnderground | AbandonedStatus date: 08/28/1984 | Osage Asphalt IncReported operatorOsage Asphalt IncReported controller | Neither history importedView source coverage → |
| OSAGE SAND & GRAVELMiller, MONear TuscumbiaMSHA 2301445 | Construction Sand and GravelSurface | AbandonedStatus date: 07/01/2009 | Osage Sand & GravelReported operatorNorman G SanningReported controller | Production / employmentSafety recordsView source coverage → |
| Osceola Quarry #9St Clair, MOMSHA 2301898 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 05/28/1985 | Batesco QuarriesReported operatorAsh Grove Cement CompanyReported controller | Neither history importedView source coverage → |
| Owen's PitMontgomery, MONear MiddletownMSHA 2302414 | Fire ClaySurface | AbandonedStatus date: 04/06/2016 | Larry Wolfmeier Trucking LLCReported operatorLarry Ray WolfmeierReported controller | Production / employmentSafety recordsView source coverage → |
| OWENSVILLE PLANTGasconade, MONear OwensvilleMSHA 2302345 | Construction Sand and GravelSurface | AbandonedStatus date: 07/01/2009 | GRUENLOH MATERIALSReported operatorDale P GruenlohReported controller | Production / employmentSafety recordsView source coverage → |
| Ozark Heights MineMcdonald, MOMSHA 2301661 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 04/13/1989 | Ozark Heights CrushingReported operatorHarris Tharold CReported controller | Neither history importedView source coverage → |