# Relationship history for MSHA mine 1508682

Current hierarchy: **James A  Dean → Delcoal Inc → No 2**

- 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

- **operator_operates_mine:** Dayhoit Coal Company Inc → No 2; 1975-08-01 to 1976-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Hereford Gene → No 2; 1975-08-01 to 1976-08-09; source msha-controller-operator-history
- **controller_controls_operator:** Hereford Gene → Dayhoit Coal Company Inc; 1975-08-01 to 1976-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Lowe Arnold Jr & Eddie Noble → No 2; 1976-05-05 to 1979-01-07; source msha-controller-operator-history
- **operator_operates_mine:** C L & N Coal Company → No 2; 1976-08-10 to 1977-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Lowe Arnold Jr & Eddie Noble → C L & N Coal Company; 1976-08-10 to 1977-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Guy N S Iii → No 2; 1977-10-01 to 1984-10-16; source msha-controller-operator-history
- **operator_operates_mine:** Sam Bass Coal Company Inc → No 2; 1977-11-08 to 1979-07-11; source msha-controller-operator-history
- **controller_controls_operator:** Guy N S Iii → Sam Bass Coal Company Inc; 1977-11-08 to 1979-07-11; source msha-controller-operator-history
- **operator_operates_mine:** Ewing Mining Corp → No 2; 1979-07-12 to 1980-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Prudential Group Inc → No 2; 1979-07-12 to 1980-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Prudential Group Inc → Ewing Mining Corp; 1979-07-12 to 1980-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Ewing Mining Corp → No 2; 1981-01-01 to 1983-05-15; source msha-controller-operator-history
- **controller_controls_mine:** Tennessee Partners Ltd → No 2; 1981-01-01 to 1985-08-04; source msha-controller-operator-history
- **controller_controls_operator:** Tennessee Partners Ltd → Ewing Mining Corp; 1981-01-01 to 1983-05-15; source msha-controller-operator-history
- **operator_operates_mine:** Ewing Creek Mining Company Inc → No 2; 1983-05-16 to 1986-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Prudential Group Inc → No 2; 1983-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Prudential Group Inc → Ewing Creek Mining Company Inc; 1983-05-16 to 1986-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Noah B  Lambert → No 2; 1985-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James A  Dean et al → No 2; 1985-08-05 to 1996-07-11; source msha-controller-operator-history
- **operator_operates_mine:** L & M Coal Company Inc → No 2; 1986-11-10 to 1987-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Noah B  Lambert → L & M Coal Company Inc; 1986-11-10 to 1987-02-23; source msha-controller-operator-history
- **operator_operates_mine:** Lick Fork Coal Company Inc → No 2; 1987-02-24 to 1988-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Carl E  McAfee → No 2; 1987-02-24 to 1988-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Carl E  McAfee → Lick Fork Coal Company Inc; 1987-02-24 to 1988-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Bailey Dan → No 2; 1987-07-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Limousine Coal Inc → No 2; 1988-02-29 to 1988-09-18; source msha-controller-operator-history
- **controller_controls_operator:** James A  Dean et al → Limousine Coal Inc; 1988-02-29 to 1988-09-18; source msha-controller-operator-history
- **operator_operates_mine:** Dan Bailey Enterprises Inc → No 2; 1988-09-19 to 1992-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Bailey Dan → Dan Bailey Enterprises Inc; 1988-09-19 to 1992-04-20; source msha-controller-operator-history
- **controller_controls_mine:** James A  Dean et al → No 2; 1990-10-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Delcoal Inc → No 2; 1992-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Dean et al → Delcoal Inc; 1992-04-21 to current/open; source msha-controller-operator-history