# Relationship history for MSHA mine 4608953

Current hierarchy: **David L  Huffman → RESOURCES LIMITED, LLC → WYE No. 1 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:** John K  Skidmore → WYE No. 1 Mine; 2001-01-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Haus Properties, Inc. → WYE No. 1 Mine; 2002-03-01 to 2003-11-30; source msha-controller-operator-history
- **controller_controls_operator:** John K  Skidmore → Mountain Haus Properties, Inc.; 2002-03-01 to 2003-11-30; source msha-controller-operator-history
- **operator_operates_mine:** RESOURCES LIMITED, LLC → WYE No. 1 Mine; 2003-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David L  Huffman → WYE No. 1 Mine; 2003-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David L  Huffman → RESOURCES LIMITED, LLC; 2003-12-01 to current/open; source msha-controller-operator-history