Key Takeaway
Plant #9 is a active surface mine producing Stone, located in Greenfield, Adair County, IA. It has 110 violations on record (15 S&S) and $17K in proposed penalties. Operated by Schildberg Construction Company Inc.
Plant #9
Operator: Schildberg Construction Company Inc
Controller: Mark Schildberg
Location: Greenfield, Adair County, IA
Employees: 13
Recent Violations
View all 110 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/06/2026 | 56.14100(c) | Non-S&S | ModNegligence | $151 |
| 06/03/2025 | 56.14101(a)(2) | Non-S&S | ModNegligence | $151 |
| 06/03/2025 | 56.14100(c) | Non-S&S | ModNegligence | $151 |
| 01/29/2025 | 56.4130(b) | Non-S&S | LowNegligence | $151 |
| 07/30/2024 | 56.14207 | Non-S&S | ModNegligence | $147 |
| 05/21/2024 | 56.4402 | Non-S&S | ModNegligence | $147 |
| 05/21/2024 | 56.12004 | Non-S&S | ModNegligence | $147 |
| 05/21/2024 | 56.12004 | Non-S&S | ModNegligence | $147 |
| 05/21/2024 | 56.14107(a) | Non-S&S | ModNegligence | $147 |
| 02/07/2024 | 56.14205 | Non-S&S | LowNegligence | $147 |
| 02/06/2024 | 56.14131(a) | S&S | ModNegligence | $679 |
| 02/06/2024 | 56.11017 | Non-S&S | LowNegligence | $147 |
| 02/06/2024 | 56.12004 | Non-S&S | HighNegligence | $453 |
| 03/28/2023 | 56.12004 | Non-S&S | ModNegligence | $143 |
| 03/27/2023 | 56.12017 | Non-S&S | ModNegligence | $143 |
| 03/27/2023 | 56.14112(a)(1) | Non-S&S | ModNegligence | $143 |
| 10/26/2022 | 56.14101(a)(2) | Non-S&S | ModNegligence | $133 |
| 10/26/2022 | 56.14112(b) | Non-S&S | ModNegligence | $133 |
| 10/26/2022 | 56.12025 | Non-S&S | ModNegligence | $133 |
| 04/13/2022 | 47.41(a) | Non-S&S | ModNegligence | $133 |
Accidents & Injuries
View all 14 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 09/11/2021 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/15/2020 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 64d lost, 116d restricted |
| 08/17/2018 | OTHER | INJURIES DUE TO NATURAL CAUSES | None |
| 09/20/2017 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/21/2014 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 2d lost |
| 07/08/2014 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 54d restricted |
| 06/25/2009 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 1d lost |
| 03/25/2009 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 1d lost |
| 11/29/2007 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 16d restricted |
| 10/26/2007 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 12d lost, 20d restricted |
Inspections
View all 64 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/12/2026 | 01/12/2026 | 4.00 | 1 |
| 01/05/2026 | 01/06/2026 | 16.00 | 1 |
| 06/02/2025 | 06/05/2025 | 17.50 | 1 |
| 01/29/2025 | 01/30/2025 | 15.50 | 1 |
| 07/30/2024 | 07/31/2024 | 13.75 | 1 |
| 05/20/2024 | 05/21/2024 | 20.00 | 1 |
| 02/06/2024 | 02/08/2024 | 26.75 | 1 |
| 06/05/2023 | 06/05/2023 | 6.25 | 1 |
| 03/27/2023 | 03/28/2023 | 15.50 | 1 |
| 10/26/2022 | 10/27/2022 | 21.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant #9 have?
Plant #9 has 110 MSHA violations on record, of which 15 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $17K.
What type of mine is Plant #9?
Plant #9 is a Surface mine producing Stone, located in Greenfield, Adair County, IA. It currently has 13 employees.
Has anyone been injured or killed at Plant #9?
According to MSHA records, Plant #9 has 14 reported accident/injury records and 0 fatalities on file.
Who operates Plant #9?
Plant #9 is operated by Schildberg Construction Company Inc and controlled by Mark Schildberg. MSHA Mine ID: 1302216.