# Relationship history for MSHA mine 4607100

Current hierarchy: **Hannah De Wayne N → Quail Hollow Mining Company Inc → Golden Eagle-Barbour #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:** Lone Hawk Coal Company → Golden Eagle-Barbour #1; 1986-03-01 to 1986-08-10; source msha-controller-operator-history
- **controller_controls_mine:** Rogers Frank W → Golden Eagle-Barbour #1; 1986-03-01 to 1986-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Frank W → Lone Hawk Coal Company; 1986-03-01 to 1986-08-10; source msha-controller-operator-history
- **operator_operates_mine:** Quail Hollow Mining Company Inc → Golden Eagle-Barbour #1; 1986-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hannah De Wayne N → Golden Eagle-Barbour #1; 1986-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hannah De Wayne N → Quail Hollow Mining Company Inc; 1986-08-11 to current/open; source msha-controller-operator-history