# Relationship history for MSHA mine 3608498

Current hierarchy: **Gary  Lucas; Charles J Cress; Wilbur  White → R & R Coal Company → R & R Anthracite Coal Co**

- 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

- **operator_operates_mine:** R & R Anthracite Coal Company → R & R Anthracite Coal Co; 1994-12-01 to 1997-05-13; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Lesher → R & R Anthracite Coal Co; 1994-12-01 to 1997-05-13; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Lesher → R & R Anthracite Coal Company; 1994-12-01 to 1997-05-13; source msha-controller-operator-history
- **operator_operates_mine:** G & S Coal Company → R & R Anthracite Coal Co; 1997-05-14 to 1999-12-29; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Lucas et al → R & R Anthracite Coal Co; 1997-05-14 to 1999-12-29; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Lucas et al → G & S Coal Company; 1997-05-14 to 1999-12-29; source msha-controller-operator-history
- **operator_operates_mine:** B & L Coal Company → R & R Anthracite Coal Co; 1999-12-30 to 2000-06-11; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Lucas et al → R & R Anthracite Coal Co; 1999-12-30 to 2000-06-11; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Lucas et al → B & L Coal Company; 1999-12-30 to 2000-06-11; source msha-controller-operator-history
- **operator_operates_mine:** R & R Coal Company → R & R Anthracite Coal Co; 2000-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Lucas et al → R & R Anthracite Coal Co; 2000-06-12 to 2004-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Lucas et al → R & R Coal Company; 2000-06-12 to 2004-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Wilbur  White et al → R & R Anthracite Coal Co; 2004-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wilbur  White et al → R & R Coal Company; 2004-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles J Cress et al → R & R Coal Company; 2004-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Lucas et al → R & R Coal Company; 2004-09-18 to current/open; source msha-controller-operator-history