MSHA 104(a) citation: 77.404(a)
type: Action
additional type: https://schema.org/RegulationAction
start time: 10/08/2025
description: Citation issued to Thunder Basin Coal Company LLC at mine Black Thunder. Rule: 77.404(a). Negligence: LowNegligence. Proposed penalty: $151.
agent: Core Natural Resources Inc
object: Thunder Basin Coal Company LLC
location: mine
publisher: AI Analytics
license: https://creativecommons.org/publicdomain/zero/1.0/
source: https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp
source organization: U.S. Mine Safety and Health Administration

PropertyValue
property ID: MSHA Violation Number
value: 5033117

AI Analytics
type: Organization