# Relationship history for MSHA mine 4609155

Current hierarchy: **David L  Huffman → Resources Limited, LLC → Lower Hutchinson Branch Surface Mine #1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** David L  Huffman → Lower Hutchinson Branch Surface Mine #1; 2003-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tri-Mountain Corporation → Lower Hutchinson Branch Surface Mine #1; 2006-03-28 to 2006-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Thomas S  Wilson → Lower Hutchinson Branch Surface Mine #1; 2006-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas S  Wilson → Tri-Mountain Corporation; 2006-03-28 to 2006-11-27; source msha-controller-operator-history
- **operator_operates_mine:** Spring Creek Energy Company, LLC → Lower Hutchinson Branch Surface Mine #1; 2006-11-28 to 2011-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Francis H  McCullough et al → Lower Hutchinson Branch Surface Mine #1; 2006-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Francis H  McCullough et al → Spring Creek Energy Company, LLC; 2006-11-28 to 2011-02-27; source msha-controller-operator-history
- **controller_controls_operator:** Lewis W  Davis et al → Spring Creek Energy Company, LLC; 2006-11-28 to 2011-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Resources Limited, LLC → Lower Hutchinson Branch Surface Mine #1; 2011-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David L  Huffman → Resources Limited, LLC; 2011-02-28 to current/open; source msha-controller-operator-history
