# Relationship history for MSHA mine 4405331

Current hierarchy: **Glenn K  Mitchell; Marty  Fuller → Cove Coal Co., Inc. → 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:** Pittston Company → No 3; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clinchfield Coal Company → No 3; 1979-12-01 to 2001-02-14; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Clinchfield Coal Company; 1979-12-01 to 2001-02-14; source msha-controller-operator-history
- **controller_controls_mine:** Eugene  Ball → No 3; 2000-04-01 to 2002-09-02; source msha-controller-operator-history
- **operator_operates_mine:** Cove Coal Co., Inc. → No 3; 2001-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eugene  Ball → Cove Coal Co., Inc.; 2001-02-15 to 2002-09-02; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey  Cline → No 3; 2002-09-03 to 2004-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey  Cline → Cove Coal Co., Inc.; 2002-09-03 to 2004-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Glenn K  Mitchell  et al → No 3; 2004-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Glenn K  Mitchell  et al → Cove Coal Co., Inc.; 2004-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marty  Fuller  et al → Cove Coal Co., Inc.; 2004-07-26 to current/open; source msha-controller-operator-history