# Relationship history for MSHA mine 4606766

Current hierarchy: **Robert E  Murray → Oneida Coal Company Inc → No 1 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Sunoco, Inc. → No 1 Surface Mine; 1979-09-27 to 1992-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Oneida Coal Company Inc → No 1 Surface Mine; 1984-04-01 to 1988-08-23; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Oneida Coal Company Inc; 1984-04-01 to 1988-08-23; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Lane Enterprise Inc → No 1 Surface Mine; 1988-08-24 to 1989-07-11; source msha-controller-operator-history
- **controller_controls_mine:** Burke Scotty → No 1 Surface Mine; 1988-08-24 to 1989-09-05; source msha-controller-operator-history
- **controller_controls_operator:** Burke Scotty → Mountain Lane Enterprise Inc; 1988-08-24 to 1989-07-11; source msha-controller-operator-history
- **operator_operates_mine:** Oneida Coal Company Inc → No 1 Surface Mine; 1989-07-12 to 1989-07-24; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Oneida Coal Company Inc; 1989-07-12 to 1989-07-24; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Lane Enterprise Inc → No 1 Surface Mine; 1989-07-25 to 1989-09-05; source msha-controller-operator-history
- **controller_controls_operator:** Burke Scotty → Mountain Lane Enterprise Inc; 1989-07-25 to 1989-09-05; source msha-controller-operator-history
- **operator_operates_mine:** Chapel Energy Corp → No 1 Surface Mine; 1989-09-06 to 1991-05-22; source msha-controller-operator-history
- **controller_controls_mine:** Blankenship Paul → No 1 Surface Mine; 1989-09-06 to 1991-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Blankenship Paul → Chapel Energy Corp; 1989-09-06 to 1991-05-22; source msha-controller-operator-history
- **operator_operates_mine:** Oneida Coal Company Inc → No 1 Surface Mine; 1991-05-23 to 1992-02-27; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Oneida Coal Company Inc; 1991-05-23 to 1992-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Oneida Coal Company Inc → No 1 Surface Mine; 1992-02-28 to 1992-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → No 1 Surface Mine; 1992-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Oneida Coal Company Inc; 1992-02-28 to 1992-08-02; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Haus Properties → No 1 Surface Mine; 1992-08-03 to 1992-10-29; source msha-controller-operator-history
- **controller_controls_mine:** Long Bobbie Franklin → No 1 Surface Mine; 1992-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Long Bobbie Franklin → Mountain Haus Properties; 1992-08-03 to 1992-10-29; source msha-controller-operator-history
- **operator_operates_mine:** Oneida Coal Company Inc → No 1 Surface Mine; 1992-10-30 to 1993-05-16; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Oneida Coal Company Inc; 1992-10-30 to 1993-05-16; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Haus Properties → No 1 Surface Mine; 1993-05-17 to 1994-04-28; source msha-controller-operator-history
- **controller_controls_operator:** Long Bobbie Franklin → Mountain Haus Properties; 1993-05-17 to 1994-04-28; source msha-controller-operator-history
- **operator_operates_mine:** Oneida Coal Company Inc → No 1 Surface Mine; 1994-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Oneida Coal Company Inc; 1994-04-29 to current/open; source msha-controller-operator-history