# Relationship history for MSHA mine 5400329

Current hierarchy: **Ayala Juan → Coop Camioneros De Oriente Inc → Arenero Paya Guayanes**

- 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:** Luis Angel Aponte → Arenero Paya Guayanes; 1991-02-01 to 1991-10-02; source msha-controller-operator-history
- **controller_controls_mine:** Aponte Luis A & Carlos A Bouet → Arenero Paya Guayanes; 1991-02-01 to 1991-10-02; source msha-controller-operator-history
- **controller_controls_operator:** Aponte Luis A & Carlos A Bouet → Luis Angel Aponte; 1991-02-01 to 1991-10-02; source msha-controller-operator-history
- **operator_operates_mine:** Yabucoa Sand & Gravel → Arenero Paya Guayanes; 1991-10-03 to 1993-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Bouet Carlos A → Arenero Paya Guayanes; 1991-10-03 to 1993-01-14; source msha-controller-operator-history
- **controller_controls_operator:** Bouet Carlos A → Yabucoa Sand & Gravel; 1991-10-03 to 1993-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Yabucoa Sand & Gravel → Arenero Paya Guayanes; 1993-01-15 to 1994-03-27; source msha-controller-operator-history
- **controller_controls_mine:** Luis A  Aponte → Arenero Paya Guayanes; 1993-01-15 to 1994-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Luis A  Aponte → Yabucoa Sand & Gravel; 1993-01-15 to 1994-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Coop Camioneros De Oriente Inc → Arenero Paya Guayanes; 1994-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ayala Juan → Arenero Paya Guayanes; 1994-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ayala Juan → Coop Camioneros De Oriente Inc; 1994-03-28 to current/open; source msha-controller-operator-history