# Relationship history for MSHA mine 3304318

Current hierarchy: **Frank Bryan Inc → Neville Aggregates Company, Inc → Buck Run**

- 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:** Hrm Sand & Gravel Company → Buck Run; 1994-01-01 to 1997-11-03; source msha-controller-operator-history
- **controller_controls_mine:** John  Curatolo  et al → Buck Run; 1994-01-01 to 1997-11-03; source msha-controller-operator-history
- **controller_controls_operator:** John  Curatolo  et al → Hrm Sand & Gravel Company; 1994-01-01 to 1997-11-03; source msha-controller-operator-history
- **operator_operates_mine:** Inland South Land Corp → Buck Run; 1997-11-04 to 2008-04-13; source msha-controller-operator-history
- **controller_controls_mine:** Lorraine  Holloway → Buck Run; 1997-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lorraine  Holloway → Inland South Land Corp; 1997-11-04 to 2008-04-13; source msha-controller-operator-history
- **operator_operates_mine:** Buck Run Aggregates LLC → Buck Run; 2008-04-14 to 2026-05-28; source msha-controller-operator-history
- **controller_controls_mine:** Dave  Sugar → Buck Run; 2008-04-14 to 2014-07-20; source msha-controller-operator-history
- **controller_controls_operator:** Dave  Sugar → Buck Run Aggregates LLC; 2008-04-14 to 2014-07-20; source msha-controller-operator-history
- **controller_controls_mine:** Shawn  Hawkins → Buck Run; 2014-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shawn  Hawkins → Buck Run Aggregates LLC; 2014-07-21 to 2026-05-28; source msha-controller-operator-history
- **operator_operates_mine:** Neville Aggregates Company, Inc → Buck Run; 2026-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frank Bryan Inc → Buck Run; 2026-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank Bryan Inc → Neville Aggregates Company, Inc; 2026-05-29 to current/open; source msha-controller-operator-history