| Bloom QuarryBuchanan, IAMSHA 1300133 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/22/1985 | Paul Niemann Construction CompanyReported operatorJames L NiemannReported controller | Neither history importedView source coverage → |
| Bluegrass Sand Pit & Plant Or Bluegrass Linn, IAMSHA 1301824 | Construction Sand and GravelSurface | AbandonedStatus date: 06/09/1979 | Bluegrass InterpriseReported operatorBluegrass InterpriseReported controller | Neither history importedView source coverage → |
| Blume QuarryClayton, IAMSHA 1300806 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/22/1985 | Roverud Construction IncReported operatorMDU Resources Group IncReported controller | Neither history importedView source coverage → |
| Boege QuarryClayton, IAMSHA 1300082 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/28/1979 | Kuhlman Construction CompanyReported operatorRick L Kuhlman; Reid E KuhlmanReported controller | Neither history importedView source coverage → |
| Boise QuarryChickasaw, IAMSHA 1300975 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/22/1985 | Greene Limestone CompanyReported operatorAllied Manatts Group LLCReported controller | Neither history importedView source coverage → |
| Boone Plant & PitBoone, IAMSHA 1300996 | Construction Sand and GravelSurface | AbandonedStatus date: 05/09/1990 | Hallett MaterialsReported operatorMid America Materials CompanyReported controller | Neither history importedView source coverage → |
| Booneville PlantIowa, IANear BoonevilleMSHA 1301706 | Construction Sand and GravelSurface | AbandonedStatus date: 03/05/2026 | Hallett MaterialsReported operatorCRH PLCReported controller | Production / employmentSafety recordsView source coverage → |
| Boon PitLyon, IAMSHA 1301899 | Construction Sand and GravelSurface | AbandonedStatus date: 09/11/1979 | Lyon County Highway DepartmentReported operatorLyon County-IaReported controller | Neither history importedView source coverage → |
| Boothby PitCherokee, IAMSHA 1301878 | Construction Sand and GravelSurface | AbandonedStatus date: 09/28/1979 | Cherokee County Highway DepartmentReported operatorCherokee County-IAReported controller | Neither history importedView source coverage → |
| Bowser Quarry & MillLinn, IAMSHA 1300178 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/08/1985 | Wendling Quarries IncReported operatorManaco CorporationReported controller | Neither history importedView source coverage → |
| BOWSER TUNNELLClinton, IAMSHA 1302225 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 08/09/1999 | Wendling Quarries IncReported operatorManaco CorporationReported controller | Production / employmentView source coverage → |
| Boyd PitFloyd, IAMSHA 1301780 | Construction Sand and GravelSurface | AbandonedStatus date: 08/28/1979 | Greene Limestone CompanyReported operatorAllied Manatts Group LLCReported controller | Neither history importedView source coverage → |
| Boyd PitOsceola, IANear OcheyedanMSHA 1302281 | Construction Sand and GravelSurface | AbandonedStatus date: 03/11/2026 | Northwest Ready-Mix ConcreteReported operatorKent StewartReported controller | Production / employmentSafety recordsView source coverage → |
| Boyer Pit & PlantSioux, IAMSHA 1300687 | Construction Sand and GravelSurface | AbandonedStatus date: 09/11/1996 | Boyer Ready Mix Sand & Rock IncReported operatorBill BoyerReported controller | Neither history importedView source coverage → |
| Bradgate Pit And PlantHumboldt, IAMSHA 1300787 | Construction Sand and GravelSurface | AbandonedStatus date: 01/15/1978 | Midwest Limestone Company IncReported operatorLarry E MooreReported controller | Neither history importedView source coverage → |
| Bradgate QuarryHumboldt, IAMSHA 1300149 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 05/20/1985 | Welp & Mc Carten IncReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Brakke PitWorth, IAMSHA 1301931 | Construction Sand and GravelSurface | AbandonedStatus date: 07/16/1981 | Weaver Construction CompanyReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Brandt PitFranklin, IAMSHA 1301752 | Construction Sand and GravelSurface | AbandonedStatus date: 05/20/1985 | Weaver Construction CompanyReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Braunschweig PitClay, IAMSHA 1301807 | Construction Sand and GravelSurface | AbandonedStatus date: 06/23/1978 | Clay County Highway DepartmentReported operatorClay County-IaReported controller | Neither history importedView source coverage → |
| Brayton PlantAudubon, IAMSHA 1300911 | Construction Sand and GravelSurface | AbandonedStatus date: 06/01/1983 | G A Finley IncReported operatorG A FinleyReported controller | Neither history importedView source coverage → |
| Brazell QuarryAllamakee, IAMSHA 1300320 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/02/1981 | Cooney Construction CompanyReported operatorSchulze Leland FReported controller | Neither history importedView source coverage → |
| Brockman SandLee, IANear Ft. MadisonMSHA 1300632 | Construction Sand and GravelSurface | AbandonedStatus date: 05/24/2018 | Ideal Ready Mix Company IncReported operatorRasmussen Group IncReported controller | Production / employmentSafety recordsView source coverage → |
| Broghammer QuarryWinneshiek, IAMSHA 1301414 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/22/1985 | Roverud Construction IncReported operatorMDU Resources Group IncReported controller | Neither history importedView source coverage → |
| Brooks QuarryBuchanan, IAMSHA 1300151 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/18/1985 | Bruening Rock Products IncReported operatorGreg BrueningReported controller | Neither history importedView source coverage → |
| Browns Bottom QuarryDubuque, IAMSHA 1300021 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/25/1985 | River City Stone IncReported operatorDon IversonReported controller | Neither history importedView source coverage → |
| Bruening ShopWinneshiek, IAMSHA 1301426 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 03/31/1980 | Bruening Rock Products IncReported operatorGreg BrueningReported controller | Neither history importedView source coverage → |
| Bugh PitCherokee, IAMSHA 1301877 | Construction Sand and GravelSurface | AbandonedStatus date: 08/27/1979 | Cherokee County Highway DepartmentReported operatorCherokee County-IAReported controller | Neither history importedView source coverage → |
| Bunker Hill Stone Co Quarry & MillBuchanan, IAMSHA 1301428 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/19/1978 | Bunker Hill Stone CompanyReported operatorBunker Hill Stone CompanyReported controller | Neither history importedView source coverage → |
| Bunn QuarryFloyd, IAMSHA 1301576 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 07/22/1985 | Greene Limestone CompanyReported operatorAllied Manatts Group LLCReported controller | Neither history importedView source coverage → |
| Burda PitJones, IAMSHA 1301372 | Construction Sand and GravelSurface | AbandonedStatus date: 07/19/1978 | B L Anderson IncReported operatorB L Anderson IncReported controller | Neither history importedView source coverage → |