# Relationship history for MSHA mine 1519584

Current hierarchy: **Kyle W  Elza; Kevin  Elza; Jody K  Elza → 7 Enterprises LLC → Sextons Creek Mine**

- 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:** Randy W  Frazier → Sextons Creek Mine; 2010-08-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & R Construction → Sextons Creek Mine; 2011-05-02 to 2012-10-23; source msha-controller-operator-history
- **controller_controls_operator:** Randy W  Frazier → B & R Construction; 2011-05-02 to 2012-10-23; source msha-controller-operator-history
- **operator_operates_mine:** B & R Mining, LLC → Sextons Creek Mine; 2012-10-24 to 2013-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Alon  Ballenger et al → Sextons Creek Mine; 2012-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alon  Ballenger et al → B & R Mining, LLC; 2012-10-24 to 2013-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Doug  Queen et al → B & R Mining, LLC; 2012-10-24 to 2013-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Wilburn & Son → Sextons Creek Mine; 2013-06-10 to 2018-09-11; source msha-controller-operator-history
- **controller_controls_mine:** Paul  Wilburn → Sextons Creek Mine; 2013-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Wilburn → Wilburn & Son; 2013-06-10 to 2018-09-11; source msha-controller-operator-history
- **operator_operates_mine:** DDH Construction Group, LLC → Sextons Creek Mine; 2018-09-12 to 2019-02-07; source msha-controller-operator-history
- **controller_controls_mine:** Doug  Hall → Sextons Creek Mine; 2018-09-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Doug  Hall → DDH Construction Group, LLC; 2018-09-12 to 2019-02-07; source msha-controller-operator-history
- **controller_controls_mine:** Jody K  Elza et al → Sextons Creek Mine; 2018-09-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 7 Enterprises LLC → Sextons Creek Mine; 2019-02-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jody K  Elza et al → 7 Enterprises LLC; 2019-02-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  Elza et al → 7 Enterprises LLC; 2019-02-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kyle W  Elza et al → 7 Enterprises LLC; 2019-02-08 to current/open; source msha-controller-operator-history