| Mulneaux QuarryBuchanan, IAMSHA 1300136 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/22/1985 | Paul Niemann Construction CompanyReported operatorJames L NiemannReported controller | Neither history importedView source coverage → |
| Murphy portable #1Cass, IANear AtlanticMSHA 1302465 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/16/2026 | Murphy Heavy Contracting CorpReported operatorBrady J MurphyReported controller | Production / employmentSafety recordsView source coverage → |
| Murray QuarryClinton, IAMSHA 1300104 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/09/1985 | Aggrecon CorpReported operatorJerry L KinkeadReported controller | Neither history importedView source coverage → |
| Myers-Hollingsworth Pit Or Boone County Boone, IAMSHA 1300481 | Construction Sand and GravelSurface | AbandonedStatus date: 10/19/1982 | Boone County Highway DepartmentReported operatorBoone CountyReported controller | Neither history importedView source coverage → |
| Nash Quarry And MillTaylor, IAMSHA 1301738 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/28/1983 | Gendler Stone Products Company IncReported operatorGendler Stone Products Company IncReported controller | Neither history importedView source coverage → |
| NASHUA PIT AND PLANTChickasaw, IANear NashuaMSHA 1301668 | Construction Sand and GravelSurface | AbandonedStatus date: 07/25/2008 | River Bend EnterprisesReported operatorDonna M SwenumsonReported controller | Production / employmentSafety recordsView source coverage → |
| Ned Castle PitWoodbury, IAMSHA 1301793 | Construction Sand and GravelSurface | AbandonedStatus date: 01/03/1979 | Weaver Construction CompanyReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Nedrow QuarryVan Buren, IAMSHA 1300283 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/28/1979 | Douds Stone IncReported operatorGary L YatesReported controller | Neither history importedView source coverage → |
| Nehring PitHardin, IAMSHA 1301536 | Construction Sand and GravelSurface | AbandonedStatus date: 07/19/1978 | Weaver Construction CompanyReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Nelson PitCherokee, IAMSHA 1301349 | Construction Sand and GravelSurface | AbandonedStatus date: 07/16/1981 | Weaver Construction CompanyReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Nelson PitHumboldt, IAMSHA 1301895 | Construction Sand and GravelSurface | AbandonedStatus date: 04/01/1981 | P & M Stone Company IncReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Nelson QuarryDes Moines, IAMSHA 1300181 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 05/29/1985 | Cessford Construction CompanyReported operatorCRH PLCReported controller | Neither history importedView source coverage → |
| Nelson QuarryHoward, IAMSHA 1300869 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/18/1985 | Bruening Rock Products IncReported operatorGreg BrueningReported controller | Neither history importedView source coverage → |
| Nelson QuarryHenry, IAMSHA 1301971 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 05/29/1985 | Douds Stone IncReported operatorGary L YatesReported controller | Neither history importedView source coverage → |
| Neppel PitDickinson, IAMSHA 1301909 | Construction Sand and GravelSurface | AbandonedStatus date: 08/07/1979 | Dickenson County Highway DepartmentReported operatorDickinson County-IaReported controller | Neither history importedView source coverage → |
| Nevada Pit And PlantStory, IAMSHA 1300343 | Common Clays NECSurface | AbandonedStatus date: 05/22/1981 | Nevada Brick & Tile CompanyReported operatorNevada Brick & Tile CompanyReported controller | Neither history importedView source coverage → |
| New Hampton ShopChickasaw, IANear New HamptonMSHA 1302362 | Sand, Industrial NECFacility | AbandonedStatus date: 04/10/2017 | Croell, Inc.Reported operatorKurt CroellReported controller | Production / employmentSafety recordsView source coverage → |
| New Liberty Plant (MC-41)Scott, IANear PLAINVIEWMSHA 1302489 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 04/24/2024 | Riverstone Group, Inc.Reported operatorRiverstone GroupReported controller | Production / employmentSafety recordsView source coverage → |
| Newquist PitClay, IAMSHA 1301805 | Construction Sand and GravelSurface | AbandonedStatus date: 06/23/1978 | Clay County Highway DepartmentReported operatorClay County-IaReported controller | Neither history importedView source coverage → |
| New Sharon QuarryPoweshiek, IAMSHA 1300073 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 01/28/1983 | Kaser CorpReported operatorMartin Marietta Materials Inc; Kaser CorporationReported controller | Neither history importedView source coverage → |
| Neymeyer QuarryButler, IAMSHA 1301818 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/22/1985 | Greene Limestone CompanyReported operatorAllied Manatts Group LLCReported controller | Neither history importedView source coverage → |
| Nichols Sand & Gravel PitMarshall, IAMSHA 1301937 | Construction Sand and GravelSurface | AbandonedStatus date: 08/31/1981 | Weaver Construction CompanyReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Nielsen PitWright, IAMSHA 1301958 | Construction Sand and GravelSurface | AbandonedStatus date: 08/29/1986 | Giese Construction Company IncReported operatorWilliam H GieseReported controller | Neither history importedView source coverage → |
| NISS Excavation Rock Quarry Cerro Gordo, IANear MASON CITYMSHA 1302501 | Construction Sand and GravelSurface | AbandonedStatus date: 07/24/2025 | NISS Excavation, Inc.Reported operatorCorey W Nichols Et AL; Dain E MannReported controller | Production / employmentSafety recordsView source coverage → |
| No 2 StripJones, IAMSHA 1300379 | Coal (Bituminous)Surface | AbandonedStatus date: 03/04/1974 | Weldon Coal CompanyReported operatorWeldon Coal CompanyReported controller | Neither history importedView source coverage → |
| No 4 MineWapello, IAMSHA 1301455 | Coal (Bituminous)Surface | AbandonedStatus date: 03/16/1976 | Mich Coal CompanyReported operatorMich Dale A & Doris AReported controller | Neither history importedView source coverage → |
| Nolte PitBremer, IAMSHA 1300737 | Construction Sand and GravelSurface | AbandonedStatus date: 07/22/1985 | Paul Niemann Construction CompanyReported operatorJames L NiemannReported controller | Neither history importedView source coverage → |
| Nora Sprngs Qry/Forbes Pit/Cerro Gordo CCerro Gordo, IAMSHA 1301747 | Construction Sand and GravelSurface | AbandonedStatus date: 10/19/1982 | Cerro Gordo County Highway DepartmentReported operatorCerro Gordo County-IaReported controller | Neither history importedView source coverage → |
| Nordness QuarryWinneshiek, IAMSHA 1301442 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/22/1985 | Roverud Construction IncReported operatorMDU Resources Group IncReported controller | Neither history importedView source coverage → |
| North PitPalo Alto, IAMSHA 1301770 | Construction Sand and GravelSurface | AbandonedStatus date: 10/25/1985 | Mid-West Construction Materials CompanyReported operatorLarry E MooreReported controller | Neither history importedView source coverage → |