# Relationship history for MSHA mine 0401299

Current hierarchy: **Roger  Haas; Simon  Westbrook → Quartzview Corporation → Sixteen To One Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Sixteen To One Mining Corp → Sixteen To One Mine; 1950-01-01 to 1981-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Lawrence L  Sapp → Sixteen To One Mine; 1950-01-01 to 1981-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Lawrence L  Sapp → Sixteen To One Mining Corp; 1950-01-01 to 1981-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Michael M Miller → Sixteen To One Mine; 1979-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Leazk Minerals & 16 To 1 → Sixteen To One Mine; 1981-07-01 to 1983-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Leazk Minerals → Sixteen To One Mine; 1981-07-01 to 1983-08-14; source msha-controller-operator-history
- **controller_controls_operator:** Leazk Minerals → Leazk Minerals & 16 To 1; 1981-07-01 to 1983-08-14; source msha-controller-operator-history
- **operator_operates_mine:** Lucky Chance Mining Company Inc → Sixteen To One Mine; 1983-08-15 to 1985-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Walter A  Marting → Sixteen To One Mine; 1983-08-15 to 1985-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Walter A  Marting → Lucky Chance Mining Company Inc; 1983-08-15 to 1985-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Kanaka Creek Joint Venture → Sixteen To One Mine; 1985-04-01 to 1987-06-19; source msha-controller-operator-history
- **controller_controls_mine:** E W  Renshaw → Sixteen To One Mine; 1985-04-01 to 1987-06-19; source msha-controller-operator-history
- **controller_controls_operator:** E W  Renshaw → Kanaka Creek Joint Venture; 1985-04-01 to 1987-06-19; source msha-controller-operator-history
- **operator_operates_mine:** Royal Kanaka Creek Corp → Sixteen To One Mine; 1987-06-20 to 1991-06-03; source msha-controller-operator-history
- **controller_controls_mine:** Royal Gold Inc → Sixteen To One Mine; 1987-06-20 to 1991-06-03; source msha-controller-operator-history
- **controller_controls_operator:** Royal Gold Inc → Royal Kanaka Creek Corp; 1987-06-20 to 1991-06-03; source msha-controller-operator-history
- **operator_operates_mine:** Original Sixteen To One Mine Inc → Sixteen To One Mine; 1991-06-04 to 2022-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Michael M Miller → Original Sixteen To One Mine Inc; 1991-06-04 to 2022-04-25; source msha-controller-operator-history
- **operator_operates_mine:** Quartzview Corporation → Sixteen To One Mine; 2022-04-26 to 2024-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Simon  Westbrook et al → Sixteen To One Mine; 2022-04-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Simon  Westbrook et al → Quartzview Corporation; 2022-04-26 to 2024-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Haas et al → Quartzview Corporation; 2022-04-26 to 2024-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Original Sixteen to One Mine, Inc. → Sixteen To One Mine; 2024-09-18 to 2025-03-02; source msha-controller-operator-history
- **controller_controls_operator:** Michael M Miller → Original Sixteen to One Mine, Inc.; 2024-09-18 to 2025-03-02; source msha-controller-operator-history
- **operator_operates_mine:** Quartzview Corporation → Sixteen To One Mine; 2025-03-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Haas et al → Quartzview Corporation; 2025-03-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Simon  Westbrook et al → Quartzview Corporation; 2025-03-03 to current/open; source msha-controller-operator-history