# Relationship history for MSHA mine 1513784

Current hierarchy: **Charles  Collins → Calvary Coal Company Inc → #10**

- 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:** Faulkland Coal Company → #10; 1982-10-01 to 1983-03-09; source msha-controller-operator-history
- **controller_controls_mine:** Osborne John-Earnest Gray Et Al → #10; 1982-10-01 to 1983-03-09; source msha-controller-operator-history
- **controller_controls_operator:** Osborne John-Earnest Gray Et Al → Faulkland Coal Company; 1982-10-01 to 1983-03-09; source msha-controller-operator-history
- **controller_controls_mine:** Smith Shorty-Don Bingham Et Al → #10; 1982-10-01 to 1983-12-15; source msha-controller-operator-history
- **operator_operates_mine:** S & S Energy → #10; 1983-03-10 to 1983-12-15; source msha-controller-operator-history
- **controller_controls_operator:** Smith Shorty-Don Bingham Et Al → S & S Energy; 1983-03-10 to 1983-12-15; source msha-controller-operator-history
- **operator_operates_mine:** Edwin Hamilton Coal Company → #10; 1983-12-16 to 1986-01-28; source msha-controller-operator-history
- **controller_controls_mine:** Jimmy E  Hamilton et al → #10; 1983-12-16 to 1986-01-28; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy E  Hamilton et al → Edwin Hamilton Coal Company; 1983-12-16 to 1986-01-28; source msha-controller-operator-history
- **operator_operates_mine:** Alex Creek Coal Inc → #10; 1986-01-29 to 1986-09-01; source msha-controller-operator-history
- **controller_controls_mine:** Wilson James A → #10; 1986-01-29 to 1986-09-01; source msha-controller-operator-history
- **controller_controls_operator:** Wilson James A → Alex Creek Coal Inc; 1986-01-29 to 1986-09-01; source msha-controller-operator-history
- **controller_controls_mine:** Darrell  Wagner → #10; 1986-04-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Simpson Mining Company Inc → #10; 1986-09-02 to 1990-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Harold K  Simpson → #10; 1986-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold K  Simpson → Simpson Mining Company Inc; 1986-09-02 to 1990-10-09; source msha-controller-operator-history
- **operator_operates_mine:** Four Aces Mining Inc → #10; 1990-10-10 to 1993-07-26; source msha-controller-operator-history
- **controller_controls_operator:** Darrell  Wagner → Four Aces Mining Inc; 1990-10-10 to 1993-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Collins → #10; 1992-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sturgill Leonard → #10; 1992-12-18 to 1994-08-01; source msha-controller-operator-history
- **operator_operates_mine:** New Horizons Land Management Inc → #10; 1993-07-27 to 1993-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Great Western Resources Inc → #10; 1993-07-27 to 1993-09-08; source msha-controller-operator-history
- **controller_controls_operator:** Great Western Resources Inc → New Horizons Land Management Inc; 1993-07-27 to 1993-09-08; source msha-controller-operator-history
- **operator_operates_mine:** Sky Coal Company Inc → #10; 1993-09-09 to 1993-10-12; source msha-controller-operator-history
- **controller_controls_operator:** Sturgill Leonard → Sky Coal Company Inc; 1993-09-09 to 1993-10-12; source msha-controller-operator-history
- **operator_operates_mine:** Arjay Mining Inc → #10; 1993-10-13 to 1996-02-27; source msha-controller-operator-history
- **controller_controls_mine:** O A  Stump Jr et al → #10; 1993-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** O A  Stump Jr et al → Arjay Mining Inc; 1993-10-13 to 1996-02-27; source msha-controller-operator-history
- **controller_controls_mine:** James  Goodwin → #10; 1995-09-11 to 1997-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Good Coal Company → #10; 1996-02-28 to 1997-06-17; source msha-controller-operator-history
- **controller_controls_operator:** James  Goodwin → Good Coal Company; 1996-02-28 to 1997-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Good Coal Company → #10; 1997-06-18 to 1998-09-22; source msha-controller-operator-history
- **controller_controls_mine:** Bill  Stacy → #10; 1997-06-18 to 1998-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Stacy → Good Coal Company; 1997-06-18 to 1998-09-22; source msha-controller-operator-history
- **operator_operates_mine:** Calvary Coal Company Inc → #10; 1998-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Collins → Calvary Coal Company Inc; 1998-09-23 to current/open; source msha-controller-operator-history