# Relationship history for MSHA mine 4606222

Current hierarchy: **Browning Ted R → Desirae Mining Inc → Coalburg 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

- **operator_operates_mine:** K C & D Mining Company Inc → Coalburg No 1; 1980-09-01 to 1981-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Holdren Clarence J → Coalburg No 1; 1980-09-01 to 1981-08-13; source msha-controller-operator-history
- **controller_controls_operator:** Holdren Clarence J → K C & D Mining Company Inc; 1980-09-01 to 1981-08-13; source msha-controller-operator-history
- **operator_operates_mine:** K C & D Mining Company Inc → Coalburg No 1; 1981-08-14 to 1985-07-10; source msha-controller-operator-history
- **controller_controls_mine:** Holbrook Dennis-Kenneth S Stallsmith Et Al → Coalburg No 1; 1981-08-14 to 1985-07-10; source msha-controller-operator-history
- **controller_controls_operator:** Holbrook Dennis-Kenneth S Stallsmith Et Al → K C & D Mining Company Inc; 1981-08-14 to 1985-07-10; source msha-controller-operator-history
- **operator_operates_mine:** Belinda Mining Inc → Coalburg No 1; 1985-07-11 to 1986-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Dennis  Holbrook → Coalburg No 1; 1985-07-11 to 1986-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Dennis  Holbrook → Belinda Mining Inc; 1985-07-11 to 1986-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Desirae Mining Inc → Coalburg No 1; 1986-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Browning Ted R → Coalburg No 1; 1986-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Browning Ted R → Desirae Mining Inc; 1986-10-01 to current/open; source msha-controller-operator-history