# Relationship history for MSHA mine 1202274

Current hierarchy: **Adam  Carpenter → Carpenter Materials Inc → Carpenter Materials Inc**

- 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:** J & R Sand & Stone Inc → Carpenter Materials Inc; 2000-04-01 to 2000-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Fee → Carpenter Materials Inc; 2000-04-01 to 2000-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Fee → J & R Sand & Stone Inc; 2000-04-01 to 2000-07-21; source msha-controller-operator-history
- **operator_operates_mine:** J R Sand & Stone → Carpenter Materials Inc; 2000-07-22 to 2006-05-02; source msha-controller-operator-history
- **controller_controls_mine:** Gerald L  Moeller → Carpenter Materials Inc; 2000-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald L  Moeller → J R Sand & Stone; 2000-07-22 to 2006-05-02; source msha-controller-operator-history
- **operator_operates_mine:** Shimp Sand & Gravel LLC → Carpenter Materials Inc; 2006-05-03 to 2016-05-01; source msha-controller-operator-history
- **controller_controls_mine:** Charles F  Shimp → Carpenter Materials Inc; 2006-05-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles F  Shimp → Shimp Sand & Gravel LLC; 2006-05-03 to 2016-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Carpenter Materials Inc → Carpenter Materials Inc; 2016-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Adam  Carpenter → Carpenter Materials Inc; 2016-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Adam  Carpenter → Carpenter Materials Inc; 2016-05-02 to current/open; source msha-controller-operator-history