# Relationship history for MSHA mine 1519115

Current hierarchy: **Ray E  Collett; Richard  L  Collett → L C & C Energy Incorporated → Poplar Lick 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:** Robert L  Clear → Poplar Lick Mine; 1987-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ray E  Collett  et al → Poplar Lick Mine; 2000-04-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Robert Clear Coal Corporation → Poplar Lick Mine; 2007-05-31 to 2008-07-16; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Clear → Robert Clear Coal Corporation; 2007-05-31 to 2008-07-16; source msha-controller-operator-history
- **operator_operates_mine:** Dataem Industries LLC → Poplar Lick Mine; 2008-07-17 to 2008-12-01; source msha-controller-operator-history
- **controller_controls_operator:** Ray E  Collett  et al → Dataem Industries LLC; 2008-07-17 to 2008-12-01; source msha-controller-operator-history
- **controller_controls_operator:** Richard  L  Collett  et al → Dataem Industries LLC; 2008-07-17 to 2008-12-01; source msha-controller-operator-history
- **operator_operates_mine:** L C & C Energy Incorporated → Poplar Lick Mine; 2008-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard  L  Collett  et al → Poplar Lick Mine; 2008-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  L  Collett  et al → L C & C Energy Incorporated; 2008-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ray E  Collett  et al → L C & C Energy Incorporated; 2008-12-02 to current/open; source msha-controller-operator-history