# Relationship history for MSHA mine 1517712

Current hierarchy: **Charles T  Norman → Sassy Coal Co., Inc. → No. 5**

- 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:** Amon L  Mahon → No. 5; 1994-11-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hi Tech Coal Inc → No. 5; 1995-09-01 to 1996-05-29; source msha-controller-operator-history
- **controller_controls_mine:** Earl R  Tester → No. 5; 1995-09-01 to 1996-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Earl R  Tester → Hi Tech Coal Inc; 1995-09-01 to 1996-05-29; source msha-controller-operator-history
- **operator_operates_mine:** Island Fork Construction Ltd → No. 5; 1996-05-30 to 1997-01-16; source msha-controller-operator-history
- **controller_controls_operator:** Amon L  Mahon → Island Fork Construction Ltd; 1996-05-30 to 1997-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Chrisco Services Inc → No. 5; 1997-01-17 to 1999-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Corbin Eugene  Cline et al → No. 5; 1997-01-17 to 1999-10-03; source msha-controller-operator-history
- **controller_controls_operator:** Corbin Eugene  Cline et al → Chrisco Services Inc; 1997-01-17 to 1999-10-03; source msha-controller-operator-history
- **operator_operates_mine:** Chafin Brothers Mining Inc → No. 5; 1999-10-04 to 2004-09-23; source msha-controller-operator-history
- **controller_controls_mine:** Jesse  Chafin Jr → No. 5; 1999-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesse  Chafin Jr → Chafin Brothers Mining Inc; 1999-10-04 to 2004-09-23; source msha-controller-operator-history
- **controller_controls_mine:** Charles T  Norman → No. 5; 2001-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Justice → No. 5; 2004-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** DAMCO LLC → No. 5; 2004-09-24 to 2005-01-09; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Justice → DAMCO LLC; 2004-09-24 to 2005-01-09; source msha-controller-operator-history
- **operator_operates_mine:** Sassy Coal Co., Inc. → No. 5; 2005-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles T  Norman → Sassy Coal Co., Inc.; 2005-01-10 to current/open; source msha-controller-operator-history