# Relationship history for MSHA mine 2800955

Current hierarchy: **Booth Dathan → A Clemente Inc → CLEMENTE SAND WASH**

- 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

- **operator_operates_mine:** A Clemente Inc → CLEMENTE SAND WASH; 1979-01-01 to 1988-03-06; source msha-controller-operator-history
- **controller_controls_mine:** Clemente John → CLEMENTE SAND WASH; 1979-01-01 to 1988-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Clemente John → A Clemente Inc; 1979-01-01 to 1988-03-06; source msha-controller-operator-history
- **operator_operates_mine:** A Clemente Inc → CLEMENTE SAND WASH; 1988-03-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Booth Dathan → CLEMENTE SAND WASH; 1988-03-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Booth Dathan → A Clemente Inc; 1988-03-07 to current/open; source msha-controller-operator-history