# Relationship history for MSHA mine 3102310

Current hierarchy: **Jeffrey  Goodman → Lessees of B.V. Hedrick Gravel & Sand Company LLC → Richmond County**

- 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:** Jeffrey  Goodman et al → Richmond County; 2003-02-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lessees of B.V. Hedrick Gravel & Sand Company LLC → Richmond County; 2017-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey  Goodman et al → Lessees of B.V. Hedrick Gravel & Sand Company LLC; 2017-07-18 to current/open; source msha-controller-operator-history