# Relationship history for MSHA mine 1001555

Current hierarchy: **Kel D'Or Resources → B O T A Enterprises Inc → Eagle Creek Placer**

- 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:** Eagle Creek Placer → Eagle Creek Placer; 1981-06-01 to 1986-02-03; source msha-controller-operator-history
- **controller_controls_mine:** Milholland Donald R → Eagle Creek Placer; 1981-06-01 to 1986-02-03; source msha-controller-operator-history
- **controller_controls_operator:** Milholland Donald R → Eagle Creek Placer; 1981-06-01 to 1986-02-03; source msha-controller-operator-history
- **operator_operates_mine:** B O T A Enterprises Inc → Eagle Creek Placer; 1986-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kel D'Or Resources → Eagle Creek Placer; 1986-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kel D'Or Resources → B O T A Enterprises Inc; 1986-02-04 to current/open; source msha-controller-operator-history