# Relationship history for MSHA mine 4609105

Current hierarchy: **John Mitch Potter → COAL-MAC MET, LLC → DEEPWATER SURFACE MINE**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Jeffery A  Hoops → DEEPWATER SURFACE MINE; 2001-03-01 to 2008-10-31; source msha-controller-operator-history
- **controller_controls_mine:** David L  Huffman → DEEPWATER SURFACE MINE; 2003-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Frasure Creek Mining LLC → DEEPWATER SURFACE MINE; 2005-06-07 to 2017-11-28; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Frasure Creek Mining LLC; 2005-06-07 to 2008-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth W  Woodring → DEEPWATER SURFACE MINE; 2008-11-01 to 2010-04-06; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth W  Woodring → Frasure Creek Mining LLC; 2008-11-01 to 2010-04-06; source msha-controller-operator-history
- **controller_controls_mine:** Essar Minerals Canada Limited → DEEPWATER SURFACE MINE; 2010-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Essar Minerals Canada Limited → Frasure Creek Mining LLC; 2010-04-07 to 2017-11-28; source msha-controller-operator-history
- **operator_operates_mine:** Resources Limited, LLC → DEEPWATER SURFACE MINE; 2017-11-29 to 2021-01-28; source msha-controller-operator-history
- **controller_controls_operator:** David L  Huffman → Resources Limited, LLC; 2017-11-29 to 2021-01-28; source msha-controller-operator-history
- **controller_controls_mine:** John T  Quintrell → DEEPWATER SURFACE MINE; 2019-09-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Civil, LLC → DEEPWATER SURFACE MINE; 2021-01-29 to 2025-06-11; source msha-controller-operator-history
- **controller_controls_operator:** John T  Quintrell → Civil, LLC; 2021-01-29 to 2025-06-11; source msha-controller-operator-history
- **operator_operates_mine:** Coal-Mac MET, LLC → DEEPWATER SURFACE MINE; 2025-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → DEEPWATER SURFACE MINE; 2025-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Mitch Potter → Coal-Mac MET, LLC; 2025-06-12 to current/open; source msha-controller-operator-history