# Relationship history for MSHA mine 4605727

Current hierarchy: **Petry James H → Diamond J Mining Inc → Diamond J Mining**

- 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:** Georgia Fuel Company → Diamond J Mining; 1978-03-01 to 1983-06-27; source msha-controller-operator-history
- **controller_controls_mine:** Sigler Leonard L Sr Et Al → Diamond J Mining; 1978-03-01 to 1983-06-27; source msha-controller-operator-history
- **controller_controls_operator:** Sigler Leonard L Sr Et Al → Georgia Fuel Company; 1978-03-01 to 1983-06-27; source msha-controller-operator-history
- **operator_operates_mine:** Big Lump Mining Company Inc → Diamond J Mining; 1983-06-28 to 1984-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Rogers Roy → Diamond J Mining; 1983-06-28 to 1984-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Roy → Big Lump Mining Company Inc; 1983-06-28 to 1984-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Breedlove William Et Al → Diamond J Mining; 1984-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Big Lump Mining Inc → Diamond J Mining; 1984-07-23 to 1986-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Lambert Charles → Diamond J Mining; 1984-07-23 to 1986-01-13; source msha-controller-operator-history
- **controller_controls_operator:** Lambert Charles → Big Lump Mining Inc; 1984-07-23 to 1986-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Nicholas Plumbing & Electrical Contractors Inc → Diamond J Mining; 1986-01-14 to 1986-08-19; source msha-controller-operator-history
- **controller_controls_operator:** Breedlove William Et Al → Nicholas Plumbing & Electrical Contractors Inc; 1986-01-14 to 1986-08-19; source msha-controller-operator-history
- **operator_operates_mine:** Diamond J Mining Inc → Diamond J Mining; 1986-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Petry James H → Diamond J Mining; 1986-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petry James H → Diamond J Mining Inc; 1986-08-20 to current/open; source msha-controller-operator-history