# Relationship history for MSHA mine 2601260

Current hierarchy: **Marvin  Aslett → Circle A Construction Inc → Little Jupiter Mine Or Little Jupiter Mi**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Jupiter Gold Company → Little Jupiter Mine Or Little Jupiter Mi; 1950-01-01 to 1980-05-12; source msha-controller-operator-history
- **controller_controls_mine:** Leavitt Hafen W Et Al → Little Jupiter Mine Or Little Jupiter Mi; 1950-01-01 to 1980-05-19; source msha-controller-operator-history
- **controller_controls_operator:** Leavitt Hafen W Et Al → Jupiter Gold Company; 1950-01-01 to 1980-05-12; source msha-controller-operator-history
- **controller_controls_mine:** Marvin  Aslett → Little Jupiter Mine Or Little Jupiter Mi; 1979-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Circle A Construction Inc → Little Jupiter Mine Or Little Jupiter Mi; 1980-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marvin  Aslett → Circle A Construction Inc; 1980-05-13 to current/open; source msha-controller-operator-history