# Relationship history for MSHA mine 3609879

Current hierarchy: **Sean  Taylor → S & K Energy Inc. → Lounder Mine & Bare #2 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Mulligan Mining, Inc. → Lounder Mine & Bare #2 Mine; 2010-09-08 to 2013-03-19; source msha-controller-operator-history
- **controller_controls_mine:** Mulligan Mining Holdings Inc → Lounder Mine & Bare #2 Mine; 2010-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mulligan Mining Holdings Inc → Mulligan Mining, Inc.; 2010-09-08 to 2013-03-19; source msha-controller-operator-history
- **operator_operates_mine:** S & K Energy Inc. → Lounder Mine & Bare #2 Mine; 2013-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sean  Taylor → Lounder Mine & Bare #2 Mine; 2013-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sean  Taylor → S & K Energy Inc.; 2013-03-20 to current/open; source msha-controller-operator-history