# Relationship history for MSHA mine 1510441

Current hierarchy: **Adams Stuart H → Adams Diversified Corp → Adam'S #3 Prep Plant**

- 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:** Adams Stone Corp → Adam'S #3 Prep Plant; 1977-05-01 to 1979-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Adams Stuart H → Adam'S #3 Prep Plant; 1977-05-01 to 1988-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Adams Stuart H → Adams Stone Corp; 1977-05-01 to 1979-11-07; source msha-controller-operator-history
- **operator_operates_mine:** Dyna Coal Company → Adam'S #3 Prep Plant; 1979-11-08 to 1980-04-28; source msha-controller-operator-history
- **controller_controls_mine:** Pero Jaime A--Donald Baker & James V Celano Jr → Adam'S #3 Prep Plant; 1979-11-08 to 1980-04-28; source msha-controller-operator-history
- **controller_controls_operator:** Pero Jaime A--Donald Baker & James V Celano Jr → Dyna Coal Company; 1979-11-08 to 1980-04-28; source msha-controller-operator-history
- **operator_operates_mine:** Adams Stone Corp → Adam'S #3 Prep Plant; 1980-04-29 to 1988-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Adams Stuart H → Adams Stone Corp; 1980-04-29 to 1988-05-23; source msha-controller-operator-history
- **operator_operates_mine:** Security Coal Company → Adam'S #3 Prep Plant; 1988-05-24 to 1989-09-18; source msha-controller-operator-history
- **controller_controls_mine:** Wright Goebel Et Al → Adam'S #3 Prep Plant; 1988-05-24 to 1989-09-18; source msha-controller-operator-history
- **controller_controls_operator:** Wright Goebel Et Al → Security Coal Company; 1988-05-24 to 1989-09-18; source msha-controller-operator-history
- **operator_operates_mine:** Adams Diversified Corp → Adam'S #3 Prep Plant; 1989-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Adams Stuart H → Adam'S #3 Prep Plant; 1989-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Adams Stuart H → Adams Diversified Corp; 1989-09-19 to current/open; source msha-controller-operator-history