# Relationship history for MSHA mine 4605611

Current hierarchy: **Muncy Hershel → American Coal Company Inc → Moccasin No 3**

- 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:** Mc Clure Wade S → Moccasin No 3; 1975-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Moccasin Mining Company Inc → Moccasin No 3; 1977-09-01 to 1986-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Mc Clure Wade S → Moccasin Mining Company Inc; 1977-09-01 to 1986-01-06; source msha-controller-operator-history
- **operator_operates_mine:** Moccasin Mining Company Inc → Moccasin No 3; 1986-01-07 to 1990-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Muncy Larry → Moccasin No 3; 1986-01-07 to 1990-10-21; source msha-controller-operator-history
- **controller_controls_operator:** Muncy Larry → Moccasin Mining Company Inc; 1986-01-07 to 1990-10-21; source msha-controller-operator-history
- **operator_operates_mine:** American Coal Company Inc → Moccasin No 3; 1990-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Muncy Hershel → Moccasin No 3; 1990-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Muncy Hershel → American Coal Company Inc; 1990-10-22 to current/open; source msha-controller-operator-history