Data / Mines / Minnesota / Northern Sand & Gravel
Northern Sand & Gravel: 1 MSHA citation
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Northern Sand & Gravel is an intermittent construction sand and gravel surface mine in Polk County, Minnesota, operated by Strata Corp with 8 employees on MSHA's record (mine ID 2100576). Since January 1, 2022 MSHA inspectors issued 1 citation and orders there with $143 in proposed penalties, and 0 accident reports were filed there, with no injury or illness cases.
The request: Watch Northern Sand & Gravel (MSHA mine ID 2100576) in Polk County, Minnesota: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 2100576
- Status
- Intermittent since July 17, 2001
- Main commodity
- Construction sand and gravel
- Mine type
- Surface
- County
- Polk County, Minnesota
- Nearest town
- Trail
- Operator
- Strata Corp
- Parent company
- Knife River Corporation
- Employees
- 8
- MSHA field office
- Hibbing MN Field Office
- Citations and orders since January 1, 2022
- 1
- Significant and substantial
- 0 (0.0%)
- Closure orders
- 0
- High negligence or reckless
- 0
- Proposed penalties
- $143
- Amount paid so far
- $143
- Inspections
- 4
- Inspector hours on site
- 18
- Citations per inspection
- 0.25 (all mines 2.30)
- Accident reports
- 0
- Injury and illness cases
- 0
- Fatalities
- 0
- Latest MSHA record
- September 8, 2026
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2023 | 1 | 0 | $143 | 0 |
Standards cited most at Northern Sand & Gravel
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.14207 | Surface metal and nonmetal mines | 1 |
Other open mines in Polk County, Minnesota
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| R.J. Zavoral Paving, Inc. | R.J. Zavoral Paving, Inc. | Polk County, MN | Construction sand and gravel | 3 | 15 |
| Portable Crusher #3 | Donarski Bros., Inc. | Polk County, MN | Construction sand and gravel | 2 | 6 |
| 218 Plant | Strata Corp | Polk County, MN | Construction sand and gravel | 4 | 5 |
| Portable Crusher #1 | Donarski Bros., Inc. | Polk County, MN | Construction sand and gravel | 3 | 3 |
| Portable Crusher #2 | Donarski Bros., Inc. | Polk County, MN | Construction sand and gravel | 3 | 3 |
| Portable Crushing Plant #1 | Strata Corp | Polk County, MN | Construction sand and gravel | 3 | 2 |
| Crusher1 | R.J. Zavoral Paving, Inc. | Polk County, MN | Construction sand and gravel | 2 | 2 |
| RipRap1 | R.J. Zavoral Paving, Inc. | Polk County, MN | Construction sand and gravel | 2 | 2 |
| SP-1 | Anderson Brothers Construction Co of Brainerd LLC | Polk County, MN | Construction sand and gravel | 2 | 0 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.