# Relationship history for MSHA mine 1514949

Current hierarchy: **Shepherd Bill → S & S Trucking Inc → #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:** Caudill Reldon Et Al → #3; 1983-05-01 to 1986-04-27; source msha-controller-operator-history
- **operator_operates_mine:** R T C Coal Company → #3; 1984-10-01 to 1985-06-02; source msha-controller-operator-history
- **controller_controls_operator:** Caudill Reldon Et Al → R T C Coal Company; 1984-10-01 to 1985-06-02; source msha-controller-operator-history
- **operator_operates_mine:** Nutron Corp → #3; 1985-06-03 to 1986-03-16; source msha-controller-operator-history
- **controller_controls_mine:** Neal Pete → #3; 1985-06-03 to 1986-03-16; source msha-controller-operator-history
- **controller_controls_operator:** Neal Pete → Nutron Corp; 1985-06-03 to 1986-03-16; source msha-controller-operator-history
- **controller_controls_mine:** Lyon Southwell → #3; 1985-10-15 to 1988-11-27; source msha-controller-operator-history
- **operator_operates_mine:** Lynca Coal Corp → #3; 1986-03-17 to 1987-02-18; source msha-controller-operator-history
- **controller_controls_operator:** Lyon Southwell → Lynca Coal Corp; 1986-03-17 to 1987-02-18; source msha-controller-operator-history
- **operator_operates_mine:** Little Lump Coal Company → #3; 1987-02-19 to 1987-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Caudill Frankie → #3; 1987-02-19 to 1987-07-08; source msha-controller-operator-history
- **controller_controls_operator:** Caudill Frankie → Little Lump Coal Company; 1987-02-19 to 1987-07-08; source msha-controller-operator-history
- **operator_operates_mine:** A & S Coal Company → #3; 1987-07-09 to 1988-09-19; source msha-controller-operator-history
- **controller_controls_mine:** Skeens Lonnie & Foster Adkins → #3; 1987-07-09 to 1988-09-19; source msha-controller-operator-history
- **controller_controls_operator:** Skeens Lonnie & Foster Adkins → A & S Coal Company; 1987-07-09 to 1988-09-19; source msha-controller-operator-history
- **operator_operates_mine:** Higgins Slone Coal Company → #3; 1988-09-20 to 1990-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Higgins James & Michael Slone → #3; 1988-09-20 to 1990-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Higgins James & Michael Slone → Higgins Slone Coal Company; 1988-09-20 to 1990-07-21; source msha-controller-operator-history
- **operator_operates_mine:** Little House Coal Company → #3; 1990-07-22 to 1991-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Williams Kenny Et Al → #3; 1990-07-22 to 1991-06-24; source msha-controller-operator-history
- **controller_controls_operator:** Williams Kenny Et Al → Little House Coal Company; 1990-07-22 to 1991-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Shepherd Bill → #3; 1990-10-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S & S Trucking Inc → #3; 1991-06-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shepherd Bill → S & S Trucking Inc; 1991-06-25 to current/open; source msha-controller-operator-history