# Relationship history for MSHA mine 1100386

Current hierarchy: **Jerry L  Kinkead → Aggrecon Corp → Goodmiller Quarry**

- 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

- **controller_controls_mine:** Ryan Matthew J → Goodmiller Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** E Wienen & Sons Construction Company Inc → Goodmiller Quarry; 1950-01-01 to 1980-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Harold E  Wienen → Goodmiller Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold E  Wienen → E Wienen & Sons Construction Company Inc; 1950-01-01 to 1980-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Jerry L  Kinkead → Goodmiller Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** P W Ryan Sons Inc → Goodmiller Quarry; 1980-10-15 to 1985-01-14; source msha-controller-operator-history
- **controller_controls_operator:** Ryan Matthew J → P W Ryan Sons Inc; 1980-10-15 to 1985-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Aggrecon Corp → Goodmiller Quarry; 1985-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry L  Kinkead → Aggrecon Corp; 1985-01-15 to current/open; source msha-controller-operator-history