# Relationship history for MSHA mine 1513615

Current hierarchy: **Davidson Larry-Earl Jackson → Jeremy Coal Company → No 1**

- 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:** B & G Coal Company → No 1; 1982-07-01 to 1983-10-04; source msha-controller-operator-history
- **controller_controls_mine:** Patterson Charles Et Al → No 1; 1982-07-01 to 1984-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Patterson Charles Et Al → B & G Coal Company; 1982-07-01 to 1983-10-04; source msha-controller-operator-history
- **operator_operates_mine:** C & D Coal Company → No 1; 1983-10-05 to 1986-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Patterson Charles Et Al → No 1; 1983-10-05 to 1986-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Patterson Charles Et Al → C & D Coal Company; 1983-10-05 to 1986-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Krystal Coal → No 1; 1986-07-08 to 1989-03-14; source msha-controller-operator-history
- **controller_controls_mine:** Lewallen Deana M--Bobby Marcum Et Al → No 1; 1986-07-08 to 1989-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Lewallen Deana M--Bobby Marcum Et Al → Krystal Coal; 1986-07-08 to 1989-03-14; source msha-controller-operator-history
- **operator_operates_mine:** Bee Coal Company → No 1; 1989-03-15 to 1990-04-09; source msha-controller-operator-history
- **controller_controls_mine:** Patterson Charles Et Al → No 1; 1989-03-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patterson Charles Et Al → Bee Coal Company; 1989-03-15 to 1990-04-09; source msha-controller-operator-history
- **operator_operates_mine:** Renee Coal Company → No 1; 1990-04-10 to 1990-08-07; source msha-controller-operator-history
- **controller_controls_mine:** Lanham Roy Et Al → No 1; 1990-04-10 to 1990-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Lanham Roy Et Al → Renee Coal Company; 1990-04-10 to 1990-08-07; source msha-controller-operator-history
- **operator_operates_mine:** Bee Coal Company → No 1; 1990-08-08 to 1990-11-01; source msha-controller-operator-history
- **controller_controls_operator:** Patterson Charles Et Al → Bee Coal Company; 1990-08-08 to 1990-11-01; source msha-controller-operator-history
- **operator_operates_mine:** Jeremy Coal Company → No 1; 1990-11-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Davidson Larry-Earl Jackson Et Al → No 1; 1990-11-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Davidson Larry-Earl Jackson Et Al → Jeremy Coal Company; 1990-11-02 to current/open; source msha-controller-operator-history