# Relationship history for MSHA mine 3102058

Current hierarchy: **Jerry Keith Adams → Tarheel Sand & Stone Inc. → Aaron Sand  Mine #52**

- 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:** Hanson PLC → Aaron Sand  Mine #52; 1989-01-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Larco Construction Company → Aaron Sand  Mine #52; 1990-07-01 to 2004-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Hanson PLC → Larco Construction Company; 1990-07-01 to 2004-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Sandra  Beeman → Aaron Sand  Mine #52; 1992-06-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry Keith Adams → Aaron Sand  Mine #52; 1995-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Aaron Sand & Gravel Div  of WOT Inc → Aaron Sand  Mine #52; 2004-04-01 to 2014-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Sandra  Beeman → Aaron Sand & Gravel Div  of WOT Inc; 2004-04-01 to 2014-02-09; source msha-controller-operator-history
- **operator_operates_mine:** Tarheel Sand & Stone Inc. → Aaron Sand  Mine #52; 2014-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry Keith Adams → Tarheel Sand & Stone Inc.; 2014-02-10 to current/open; source msha-controller-operator-history