Key Takeaway
Plant #8 is a active surface mine producing Stone, located in Greenfield, Adair County, IA. It has 112 violations on record (22 S&S) and $29K in proposed penalties. Operated by Schildberg Construction Company Inc.
Plant #8
Operator: Schildberg Construction Company Inc
Controller: Mark Schildberg
Location: Greenfield, Adair County, IA
Employees: 10
Recent Violations
View all 112 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 06/11/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 06/11/2025 | 47.44(b) | Non-S&S | ModNegligence | $151 |
| 06/11/2025 | 56.14116(a) | Non-S&S | ModNegligence | $151 |
| 05/22/2024 | 56.14207 | Non-S&S | ModNegligence | $147 |
| 05/22/2024 | 56.14107(a) | Non-S&S | HighNegligence | $189 |
| 02/21/2024 | 56.14107(a) | Non-S&S | LowNegligence | $147 |
| 04/05/2023 | 56.6202(a)(4) | Non-S&S | ModNegligence | $143 |
| 05/04/2022 | 56.11003 | Non-S&S | ModNegligence | $133 |
| 06/10/2021 | 56.14132(a) | Non-S&S | LowNegligence | $125 |
| 04/07/2021 | 56.14211(c) | S&S | HighNegligence | $3,917 |
| 12/15/2020 | 56.12004 | Non-S&S | ModNegligence | $125 |
| 12/15/2020 | 56.14107(a) | Non-S&S | ModNegligence | $125 |
| 12/15/2020 | 56.14112(b) | Non-S&S | ModNegligence | $125 |
| 12/15/2020 | 56.14112(b) | Non-S&S | ModNegligence | $125 |
| 12/15/2020 | 56.14112(b) | Non-S&S | ModNegligence | $125 |
| 02/05/2020 | 56.12004 | Non-S&S | ModNegligence | $123 |
| 02/05/2020 | 56.12008 | Non-S&S | ModNegligence | $123 |
| 02/05/2020 | 56.12028 | Non-S&S | ModNegligence | $123 |
| 02/05/2020 | 56.14101(a)(2) | Non-S&S | LowNegligence | $123 |
| 02/05/2020 | 56.4102 | Non-S&S | ModNegligence | $123 |
Accidents & Injuries
View all 10 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 08/21/2023 | DISORDERS (PHYSICAL AGENTS) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 08/18/2015 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 112d restricted |
| 06/30/2011 | DISORDERS (PHYSICAL AGENTS) | OCCUPATNAL ILLNESS NOT DEG 1-6 | 5d lost |
| 11/08/2010 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 13d lost |
| 09/02/2009 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/01/2008 | HANDTOOLS (NONPOWERED) | ALL OTHER CASES (INCL 1ST AID) | None |
| 05/12/2008 | MACHINERY | DAYS AWAY FROM WORK ONLY | 3d lost |
| 03/13/2006 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 18d lost |
| 01/16/2004 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 2d lost |
| 01/24/2000 | HANDLING OF MATERIALS | PERM TOT OR PERM PRTL DISABLTY | 18d lost |
Inspections
View all 63 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/08/2025 | 12/10/2025 | 32.50 | 1 |
| 06/11/2025 | 06/12/2025 | 18.00 | 1 |
| 02/03/2025 | 02/04/2025 | 21.00 | 1 |
| 05/22/2024 | 05/22/2024 | 1.00 | 1 |
| 05/22/2024 | 05/22/2024 | 7.50 | 1 |
| 02/20/2024 | 02/21/2024 | 18.50 | 1 |
| 04/05/2023 | 04/05/2023 | 13.50 | 1 |
| 10/05/2022 | 10/06/2022 | 14.25 | 1 |
| 05/03/2022 | 05/05/2022 | 12.25 | 1 |
| 03/01/2022 | 03/02/2022 | 9.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant #8 have?
Plant #8 has 112 MSHA violations on record, of which 22 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $29K.
What type of mine is Plant #8?
Plant #8 is a Surface mine producing Stone, located in Greenfield, Adair County, IA. It currently has 10 employees.
Has anyone been injured or killed at Plant #8?
According to MSHA records, Plant #8 has 10 reported accident/injury records and 0 fatalities on file.
Who operates Plant #8?
Plant #8 is operated by Schildberg Construction Company Inc and controlled by Mark Schildberg. MSHA Mine ID: 1302178.