# Relationship history for MSHA mine 3610001

Current hierarchy: **Jorge S  Chacon → JORGE CHACON → SILVER LAKE**

- 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:** Timothy M  Smith → SILVER LAKE; 2011-08-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Damascus 535 Quarry & Stone Products LLC → SILVER LAKE; 2012-04-06 to 2017-04-06; source msha-controller-operator-history
- **controller_controls_operator:** Timothy M  Smith → Damascus 535 Quarry & Stone Products LLC; 2012-04-06 to 2017-04-06; source msha-controller-operator-history
- **controller_controls_mine:** Timothy M  Smith → SILVER LAKE; 2016-03-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ronald Opeil Flagstone Co., LLC → SILVER LAKE; 2017-04-07 to 2020-11-03; source msha-controller-operator-history
- **controller_controls_operator:** Timothy M  Smith → Ronald Opeil Flagstone Co., LLC; 2017-04-07 to 2020-11-03; source msha-controller-operator-history
- **operator_operates_mine:** Stone La Bonita → SILVER LAKE; 2020-11-04 to 2024-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Michael I Samaniego → SILVER LAKE; 2020-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael I Samaniego → Stone La Bonita; 2020-11-04 to 2024-07-21; source msha-controller-operator-history
- **operator_operates_mine:** Jorge Chacon → SILVER LAKE; 2024-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jorge S  Chacon → SILVER LAKE; 2024-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jorge S  Chacon → Jorge Chacon; 2024-07-22 to current/open; source msha-controller-operator-history