# Relationship history for MSHA mine 4501141

Current hierarchy: **Mark A  Segale; Mario A  Segale → M A Segale Inc → Butler Pit And Portable Mill**

- 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

- **controller_controls_mine:** Mark A  Segale et al → Butler Pit And Portable Mill; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Associated Sand & Gravel Company Inc → Butler Pit And Portable Mill; 1950-01-01 to 1978-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Consolidated Gold Fields Limited → Butler Pit And Portable Mill; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Consolidated Gold Fields Limited → Associated Sand & Gravel Company Inc; 1950-01-01 to 1978-05-31; source msha-controller-operator-history
- **operator_operates_mine:** M A Segale Inc → Butler Pit And Portable Mill; 1978-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark A  Segale et al → M A Segale Inc; 1978-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mario A  Segale et al → M A Segale Inc; 1978-06-01 to current/open; source msha-controller-operator-history