# Relationship history for MSHA mine 4105167

Current hierarchy: **Jeff  Conners; Scott  Conners; Pam  Conners → Conners Construction Co., Inc. → Dippel Quarry**

- 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:** Mary  Conners et al → Dippel Quarry; 1992-05-01 to 2016-08-31; source msha-controller-operator-history
- **operator_operates_mine:** CONNERS CONSTRUCTION, INC → Dippel Quarry; 2016-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mary  Conners et al → CONNERS CONSTRUCTION, INC; 2016-03-14 to 2016-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Conners et al → Dippel Quarry; 2016-09-01 to 2018-03-28; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Conners et al → CONNERS CONSTRUCTION, INC; 2016-09-01 to 2018-03-28; source msha-controller-operator-history
- **controller_controls_operator:** Pam  Conners et al → CONNERS CONSTRUCTION, INC; 2016-09-01 to 2018-03-28; source msha-controller-operator-history
- **controller_controls_operator:** Estate of Gary Conners et al → CONNERS CONSTRUCTION, INC; 2016-09-01 to 2018-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Conners Et Al → Dippel Quarry; 2018-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Conners Et Al → CONNERS CONSTRUCTION, INC; 2018-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Conners Et Al → CONNERS CONSTRUCTION, INC; 2018-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pam  Conners Et Al → CONNERS CONSTRUCTION, INC; 2018-03-29 to current/open; source msha-controller-operator-history