# Relationship history for MSHA mine 4607296

Current hierarchy: **Ted  Osborne Jr → Shady Lane Coal Corp → Mine No 6**

- 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:** Ted  Osborne Jr → Mine No 6; 1981-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sunrise Mining Inc → Mine No 6; 1987-05-01 to 1995-11-21; source msha-controller-operator-history
- **controller_controls_mine:** Van Dyke Ray-Virgle-Harold Et Al → Mine No 6; 1987-05-01 to 2000-11-05; source msha-controller-operator-history
- **controller_controls_operator:** Van Dyke Ray-Virgle-Harold Et Al → Sunrise Mining Inc; 1987-05-01 to 1995-11-21; source msha-controller-operator-history
- **operator_operates_mine:** Jaw Bone Coal Corp → Mine No 6; 1995-11-22 to 1997-10-14; source msha-controller-operator-history
- **controller_controls_mine:** David Nelson  Potter et al → Mine No 6; 1995-11-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David Nelson  Potter et al → Jaw Bone Coal Corp; 1995-11-22 to 1997-10-14; source msha-controller-operator-history
- **controller_controls_operator:** John Madison  Potter et al → Jaw Bone Coal Corp; 1995-11-22 to 1997-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Mossy Oak Coal Corp → Mine No 6; 1997-10-15 to 1998-10-06; source msha-controller-operator-history
- **controller_controls_mine:** Van Dyke Ira Leon & James A Messer → Mine No 6; 1997-10-15 to 1998-10-06; source msha-controller-operator-history
- **controller_controls_operator:** Van Dyke Ira Leon & James A Messer → Mossy Oak Coal Corp; 1997-10-15 to 1998-10-06; source msha-controller-operator-history
- **operator_operates_mine:** Jim-Dawn Coal Leasing Inc → Mine No 6; 1998-10-07 to 1999-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Short Jimmy → Mine No 6; 1998-10-07 to 1999-03-28; source msha-controller-operator-history
- **controller_controls_operator:** Short Jimmy → Jim-Dawn Coal Leasing Inc; 1998-10-07 to 1999-03-28; source msha-controller-operator-history
- **operator_operates_mine:** Shady Lane Coal Corp → Mine No 6; 1999-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ted  Osborne Jr → Shady Lane Coal Corp; 1999-03-29 to current/open; source msha-controller-operator-history