PLANT #3

Active Surface Stone

Operator: Schildberg Construction Company Inc

Controller: Mark Schildberg

Location: Greenfield, Pottawattamie County, IA

Employees: 14

168
Violations
30
S&S Violations
31
Accidents
$34K
Penalties

Recent Violations

View all 168 →
Date Section S&S Negligence Penalty
01/13/2026 56.14131(a) Non-S&S LowNegligence $151
01/13/2026 56.14131(a) Non-S&S LowNegligence $151
01/13/2026 56.14130(g) Non-S&S LowNegligence $151
06/16/2025 56.14100(c) Non-S&S ModNegligence $151
06/16/2025 56.14100(c) Non-S&S ModNegligence $151
06/16/2025 56.14132(a) Non-S&S ModNegligence $151
01/13/2025 56.14206(b) Non-S&S ModNegligence $151
02/27/2024 56.12005 Non-S&S ModNegligence $147
02/26/2024 56.4201(b) Non-S&S ModNegligence $147
03/06/2023 47.41(a) Non-S&S ModNegligence $143
03/06/2023 56.4101 Non-S&S ModNegligence $143
03/06/2023 56.4200(b)(2) Non-S&S ModNegligence $143
03/06/2023 56.14207 Non-S&S ModNegligence $143
03/06/2023 56.14132(b)(1) Non-S&S ModNegligence $143
03/06/2023 56.4201(a)(2) Non-S&S ModNegligence $143
03/06/2023 46.5(a) S&S HighNegligence $2,065
10/04/2022 56.14107(a) Non-S&S LowNegligence $133
10/04/2022 56.14101(a)(2) Non-S&S ModNegligence $133
10/04/2022 56.14100(a) Non-S&S ModNegligence $133
10/03/2022 56.14209(b) Non-S&S ModNegligence $133

Accidents & Injuries

View all 31 →
Date Classification Injury Days Lost
08/18/2025 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
04/17/2023 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 69d lost, 40d restricted
07/27/2022 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 43d lost, 23d restricted
02/24/2021 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 27d lost, 3d restricted
04/16/2018 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 24d lost, 7d restricted
12/13/2015 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
02/18/2014 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 68d lost, 26d restricted
07/15/2011 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 39d lost
04/08/2010 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 3d lost
10/08/2009 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 10d restricted

Inspections

View all 72 →
Begin End Hours Inspectors
01/12/2026 01/14/2026 30.25 1
06/16/2025 06/17/2025 16.50 1
01/13/2025 01/15/2025 23.00 1
09/16/2024 09/17/2024 20.00 1
08/15/2024 08/16/2024 16.75 1
02/26/2024 02/27/2024 28.00 2
03/06/2023 03/08/2023 24.25 1
10/03/2022 10/05/2022 22.00 1
05/25/2022 05/26/2022 18.00 1
03/08/2022 03/09/2022 20.00 1

Mine Details

MSHA Mine ID1302092
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees14
Days/Week5.0
Hours/Shift10.0
Coordinates41.3050000, -94.4533330
Nearest TownGreenfield

Frequently Asked Questions

How many MSHA violations does PLANT #3 have?

PLANT #3 has 168 MSHA violations on record, of which 30 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $34K.

What type of mine is PLANT #3?

PLANT #3 is a Surface mine producing Stone, located in Greenfield, Pottawattamie County, IA. It currently has 14 employees.

Has anyone been injured or killed at PLANT #3?

According to MSHA records, PLANT #3 has 31 reported accident/injury records and 0 fatalities on file.

Who operates PLANT #3?

PLANT #3 is operated by Schildberg Construction Company Inc and controlled by Mark Schildberg. MSHA Mine ID: 1302092.