# Relationship history for MSHA mine 1302138

Current hierarchy: **Joshua Corey  Kratofil → Cantera Aggregates, LLC. → Portable Crusher #2**

- 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:** Darrell (Skip)  Bailey → Portable Crusher #2; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** L & W Construction Company → Portable Crusher #2; 1986-03-01 to 1991-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Darrell (Skip)  Bailey → L & W Construction Company; 1986-03-01 to 1991-03-14; source msha-controller-operator-history
- **operator_operates_mine:** L & W Quarries, Inc. → Portable Crusher #2; 1991-03-15 to 2024-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Johnson Holding Company → Portable Crusher #2; 1991-03-15 to 2024-04-18; source msha-controller-operator-history
- **controller_controls_operator:** Johnson Holding Company → L & W Quarries, Inc.; 1991-03-15 to 2024-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Joshua Corey  Kratofil → Portable Crusher #2; 2017-10-11 to 2022-05-22; source msha-controller-operator-history
- **controller_controls_mine:** Justin A Kratofil et al → Portable Crusher #2; 2022-05-23 to 2024-06-23; source msha-controller-operator-history
- **controller_controls_mine:** Rasmussen Group Inc → Portable Crusher #2; 2024-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rasmussen Group Inc → L & W Quarries, Inc.; 2024-04-19 to 2024-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Joshua Corey  Kratofil → Portable Crusher #2; 2024-06-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cantera Aggregates, LLC. → Portable Crusher #2; 2024-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joshua Corey  Kratofil → Cantera Aggregates, LLC.; 2024-08-19 to 2022-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Joshua Corey  Kratofil → Cantera Aggregates, LLC.; 2024-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Justin A Kratofil et al → Cantera Aggregates, LLC.; 2024-08-19 to 2024-06-23; source msha-controller-operator-history
- **controller_controls_operator:** Joshua C Kratofil et al → Cantera Aggregates, LLC.; 2024-08-19 to 2024-06-23; source msha-controller-operator-history