# Relationship history for MSHA mine 1515202

Current hierarchy: **Hurley Burton → New Hope Mining Corp → 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:** Hurley'S Enterprise Inc → No 1; 1985-05-01 to 1985-06-05; source msha-controller-operator-history
- **controller_controls_mine:** Hurley Burton → No 1; 1985-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hurley Burton → Hurley'S Enterprise Inc; 1985-05-01 to 1985-06-05; source msha-controller-operator-history
- **operator_operates_mine:** Dusk To Dawn Coal Company Inc → No 1; 1985-06-06 to 1985-07-28; source msha-controller-operator-history
- **controller_controls_mine:** Dotson Eddie Jr → No 1; 1985-06-06 to 1985-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Dotson Eddie Jr → Dusk To Dawn Coal Company Inc; 1985-06-06 to 1985-07-28; source msha-controller-operator-history
- **operator_operates_mine:** Little Rose Coal Corp → No 1; 1985-07-29 to 1986-09-03; source msha-controller-operator-history
- **controller_controls_mine:** Mapes Billy → No 1; 1985-07-29 to 1986-12-21; source msha-controller-operator-history
- **controller_controls_operator:** Mapes Billy → Little Rose Coal Corp; 1985-07-29 to 1986-09-03; source msha-controller-operator-history
- **operator_operates_mine:** New Hope Mining Corp → No 1; 1986-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hurley Burton → No 1; 1986-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hurley Burton → New Hope Mining Corp; 1986-09-04 to current/open; source msha-controller-operator-history