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MSHA mine ID 4800603 · Big Horn County, WY
Watch this mineLast 12 months: 6 citations and $604 in assessed penalties. 7 of 9 citations in the past 24 months have an MSHA assessment so far, first proposed at $1,057. None are marked contested. What these terms mean
How MSHA turns penalty points into a dollar figure: try the free MSHA penalty calculator.
The 30 CFR section MSHA cited, most cited first. Linked standards have their own page with nationwide counts; see the most-cited MSHA standards.
| Standard | Citations | Assessed |
|---|---|---|
| 56.14207 | 2 | $302 |
| 47.41(a) | 1 | $151 |
| 56.12004 | 1 | Not yet assessed |
| 56.12018 | 1 | Not yet assessed |
| 56.14100(a) | 1 | $151 |
| 56.14100(b) | 1 | $151 |
| 56.14103(b) | 1 | $151 |
| 56.16003 | 1 | $151 |
Assessed penalties the operator can still contest, fewest days left first.
| Issued | Assessed |
|---|---|
| Aug 26, 2026 No. 5034564 56.14100(a) | $151 |
Newest first.
| Issued | Assessed |
|---|---|
| Oct 21, 2026 No. 5038970 | Not yet assessed |
| Oct 21, 2026 No. 5038969 | Not yet assessed |
| Aug 26, 2026 No. 5034564 56.14100(a) | $151 |
| Aug 26, 2026 No. 5034563 | $151 |
| Aug 26, 2026 No. 5034562 | $151 |
| Nov 19, 2025 No. 5033915 | $151 |
| Jul 8, 2025 No. 9732039 56.14103(b) | $151 |
| Jul 8, 2025 No. 9732038 56.16003 | $151 |
| Jul 8, 2025 No. 9732037 | $151 |
Regular Safety and Health Inspection
Event F03EA06
Oct 20, 2026 to Oct 22, 2026
Regular Safety and Health Inspection
Event F00331B
Aug 26, 2026
Regular Safety and Health Inspection
Event F007897
Nov 18, 2025 to Nov 24, 2025
Regular Safety and Health Inspection
Event 6469076
Jul 8, 2025
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These figures come from public Mine Safety and Health Administration (MSHA) open government data on mines, inspections, violations and assessed violations. MineCitation copies them as published and does not add findings of its own.
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MSHA data as of Oct 31, 2026 · Source: MSHA open data · Look up mine 4800603 on MSHA
S&S rate 22% of this mine's citations, compared with 18% across 135 cited surface metal and nonmetal mines in WY in the same 24 months.