# Relationship history for MSHA mine 3602398

Current hierarchy: **James T  Arnone → Lion Mining Company → Grove #1 Mine**

- 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:** G M & W Coal Company Inc → Grove #1 Mine; 1950-01-01 to 1976-12-08; source msha-controller-operator-history
- **controller_controls_mine:** C Kenneth  Crotsley → Grove #1 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** C Kenneth  Crotsley → G M & W Coal Company Inc; 1950-01-01 to 1976-12-08; source msha-controller-operator-history
- **operator_operates_mine:** G M & W Coal Company Inc → Grove #1 Mine; 1976-12-09 to 1985-06-16; source msha-controller-operator-history
- **controller_controls_mine:** Marmon Group Inc → Grove #1 Mine; 1976-12-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marmon Group Inc → G M & W Coal Company Inc; 1976-12-09 to 1985-06-16; source msha-controller-operator-history
- **operator_operates_mine:** Lion Mining Company → Grove #1 Mine; 1985-06-17 to 1998-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Intercarbon Coal Co-Jennerstown Mining Inc Et Al → Grove #1 Mine; 1985-06-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Intercarbon Coal Co-Jennerstown Mining Inc Et Al → Lion Mining Company; 1985-06-17 to 1998-08-02; source msha-controller-operator-history
- **operator_operates_mine:** Carbolith Extraction Inc → Grove #1 Mine; 1998-08-03 to 2000-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Ronald L  Schrock → Grove #1 Mine; 1998-08-03 to 2000-08-14; source msha-controller-operator-history
- **controller_controls_operator:** Ronald L  Schrock → Carbolith Extraction Inc; 1998-08-03 to 2000-08-14; source msha-controller-operator-history
- **operator_operates_mine:** Grove Resources Inc → Grove #1 Mine; 2000-08-15 to 2002-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Lex R  Winans → Grove #1 Mine; 2000-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lex R  Winans → Grove Resources Inc; 2000-08-15 to 2002-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Lion Mining Company → Grove #1 Mine; 2002-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James T  Arnone → Grove #1 Mine; 2002-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James T  Arnone → Lion Mining Company; 2002-10-01 to current/open; source msha-controller-operator-history