# Relationship history for MSHA mine 1516223

Current hierarchy: **James River Coal Company → Mc Coy Elkhorn Coal Corp → Bishop Branch Mine No 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:** France Kermit & Stanley Osborne → Bishop Branch Mine No 1; 1986-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Oakwood Mining Company → Bishop Branch Mine No 1; 1987-11-01 to 1988-07-14; source msha-controller-operator-history
- **controller_controls_operator:** France Kermit & Stanley Osborne → Oakwood Mining Company; 1987-11-01 to 1988-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Oakwood Mining Company → Bishop Branch Mine No 1; 1988-07-15 to 1989-04-26; source msha-controller-operator-history
- **controller_controls_mine:** France Kermit → Bishop Branch Mine No 1; 1988-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** France Kermit → Oakwood Mining Company; 1988-07-15 to 1989-04-26; source msha-controller-operator-history
- **controller_controls_mine:** Dotson Joy Ann → Bishop Branch Mine No 1; 1988-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → Bishop Branch Mine No 1; 1988-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Infinity Coal Corp → Bishop Branch Mine No 1; 1989-03-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Five Star Mining Inc → Bishop Branch Mine No 1; 1989-04-27 to 1990-05-28; source msha-controller-operator-history
- **controller_controls_operator:** Dotson Joy Ann → Five Star Mining Inc; 1989-04-27 to 1990-05-28; source msha-controller-operator-history
- **operator_operates_mine:** Hickory Hill Development Corp → Bishop Branch Mine No 1; 1990-05-29 to 1991-09-03; source msha-controller-operator-history
- **controller_controls_operator:** Infinity Coal Corp → Hickory Hill Development Corp; 1990-05-29 to 1991-09-03; source msha-controller-operator-history
- **operator_operates_mine:** Kinney Branch Mining Inc → Bishop Branch Mine No 1; 1991-09-04 to 1994-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Garnie E  Johnson et al → Bishop Branch Mine No 1; 1991-09-04 to 1994-07-26; source msha-controller-operator-history
- **controller_controls_operator:** Garnie E  Johnson et al → Kinney Branch Mining Inc; 1991-09-04 to 1994-07-26; source msha-controller-operator-history
- **operator_operates_mine:** Mc Coy Elkhorn Coal Corp → Bishop Branch Mine No 1; 1994-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Mc Coy Elkhorn Coal Corp; 1994-07-27 to current/open; source msha-controller-operator-history