# Relationship history for MSHA mine 4003013

Current hierarchy: **Justin  Lane → HARDIN COUNTY SAND & GRAVEL INC → Hardin County Sand & Gravel 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Gibbs Construction → Hardin County Sand & Gravel Inc.; 1989-05-01 to 2013-03-17; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Gibbs → Hardin County Sand & Gravel Inc.; 1989-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Gibbs → Gibbs Construction; 1989-05-01 to 2013-03-17; source msha-controller-operator-history
- **operator_operates_mine:** Childer's Hill Gravel, LLC → Hardin County Sand & Gravel Inc.; 2013-03-18 to 2015-07-05; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Elam → Hardin County Sand & Gravel Inc.; 2013-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Elam → Childer's Hill Gravel, LLC; 2013-03-18 to 2015-07-05; source msha-controller-operator-history
- **operator_operates_mine:** Crump Sand & Gravel Inc. → Hardin County Sand & Gravel Inc.; 2015-07-06 to 2018-08-26; source msha-controller-operator-history
- **controller_controls_mine:** Seth Jonathan  Smith → Hardin County Sand & Gravel Inc.; 2015-07-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Seth Jonathan  Smith → Crump Sand & Gravel Inc.; 2015-07-06 to 2018-08-26; source msha-controller-operator-history
- **operator_operates_mine:** HARDIN COUNTY SAND & GRAVEL INC → Hardin County Sand & Gravel Inc.; 2018-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Justin  Lane → Hardin County Sand & Gravel Inc.; 2018-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Justin  Lane → HARDIN COUNTY SAND & GRAVEL INC; 2018-08-27 to current/open; source msha-controller-operator-history