PLANT #1
Active
Surface
Stone
Operator: Schildberg Construction Company Inc
Controller: Mark Schildberg
Location: Greenfield, Adair County, IA
Employees: 9
136
Violations
23
S&S Violations
11
Accidents
$23K
Penalties
Recent Violations
View all 136 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/25/2025 | 56.20003(b) | S&S | ModNegligence | $209 |
| 09/15/2025 | 56.12004 | Non-S&S | LowNegligence | $151 |
| 08/14/2024 | 56.4101 | Non-S&S | ModNegligence | $147 |
| 08/14/2024 | 56.4104(b) | Non-S&S | ModNegligence | $147 |
| 02/13/2024 | 56.14100(c) | Non-S&S | LowNegligence | $147 |
| 05/03/2022 | 46.11(b)(4) | Non-S&S | LowNegligence | $148 |
| 03/07/2022 | 56.4101 | Non-S&S | LowNegligence | $133 |
| 06/08/2020 | 56.14112(b) | Non-S&S | ModNegligence | $123 |
| 02/11/2020 | 56.14207 | Non-S&S | ModNegligence | $135 |
| 02/11/2020 | 56.4201(a)(2) | Non-S&S | ModNegligence | $123 |
| 01/28/2020 | 46.9(b) | Non-S&S | LowNegligence | $123 |
| 01/27/2020 | 56.12004 | Non-S&S | ModNegligence | $123 |
| 12/18/2019 | 46.9(c)(3) | Non-S&S | LowNegligence | $123 |
| 12/18/2019 | 46.9(c)(5) | Non-S&S | LowNegligence | $123 |
| 12/18/2019 | 56.4101 | Non-S&S | ModNegligence | $123 |
| 03/28/2018 | 56.14100(c) | Non-S&S | ModNegligence | $118 |
| 03/15/2017 | 56.14130(g) | Non-S&S | ModNegligence | $116 |
| 03/15/2017 | 56.5001(a)/.5005 | Non-S&S | ModNegligence | $116 |
| 11/28/2016 | 56.3200 | S&S | ModNegligence | $533 |
| 11/28/2016 | 56.12018 | Non-S&S | LowNegligence | $114 |
Accidents & Injuries
View all 11 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 06/29/2021 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/15/2013 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 8d lost |
| 08/23/2013 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 12/13/2007 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 1d lost |
| 11/29/2007 | STEPPING OR KNEELING ON OBJECT | DAYS AWAY FROM WORK ONLY | 2d lost |
| 12/28/2004 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 4d lost |
| 12/28/2004 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/12/2002 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 1d lost |
| 10/19/2001 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 7d lost |
| 09/24/2001 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 2d lost |
Inspections
View all 72 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/24/2025 | 11/25/2025 | 21.75 | 1 |
| 09/15/2025 | 09/16/2025 | 20.00 | 1 |
| 04/14/2025 | 04/14/2025 | 2.50 | 1 |
| 12/02/2024 | 12/03/2024 | 9.50 | 1 |
| 09/18/2024 | 09/18/2024 | 15.50 | 1 |
| 08/13/2024 | 08/14/2024 | 15.75 | 1 |
| 02/13/2024 | 02/14/2024 | 16.00 | 1 |
| 06/07/2023 | 06/07/2023 | 14.50 | 1 |
| 11/29/2022 | 11/30/2022 | 13.75 | 1 |
| 05/02/2022 | 05/03/2022 | 15.00 | 1 |
Mine Details
MSHA Mine ID1302090
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees9
Days/Week5.0
Hours/Shift10.0
Coordinates41.3050000, -94.4533330
Nearest TownGreenfield
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Frequently Asked Questions
How many MSHA violations does PLANT #1 have?
PLANT #1 has 136 MSHA violations on record, of which 23 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $23K.
What type of mine is PLANT #1?
PLANT #1 is a Surface mine producing Stone, located in Greenfield, Adair County, IA. It currently has 9 employees.
Has anyone been injured or killed at PLANT #1?
According to MSHA records, PLANT #1 has 11 reported accident/injury records and 0 fatalities on file.
Who operates PLANT #1?
PLANT #1 is operated by Schildberg Construction Company Inc and controlled by Mark Schildberg. MSHA Mine ID: 1302090.