# Relationship history for MSHA mine 0405771

Current hierarchy: **Marcel G Cordi → Jedco Inc. → Mesquite Lake Gypsum 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

- **controller_controls_mine:** Terry  Klenske → Mesquite Lake Gypsum Mine; 1992-01-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JEDCO Gypsum Company → Mesquite Lake Gypsum Mine; 2008-10-15 to 2011-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Marcel G  Cordi et al → Mesquite Lake Gypsum Mine; 2008-10-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marcel G  Cordi et al → JEDCO Gypsum Company; 2008-10-15 to 2011-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Gordon P  Harton et al → JEDCO Gypsum Company; 2008-10-15 to 2011-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Dalton Trucking Inc → Mesquite Lake Gypsum Mine; 2011-03-11 to 2015-04-26; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Klenske → Dalton Trucking Inc; 2011-03-11 to 2015-04-26; source msha-controller-operator-history
- **operator_operates_mine:** Jedco Inc. → Mesquite Lake Gypsum Mine; 2015-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marcel G Cordi → Mesquite Lake Gypsum Mine; 2015-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marcel G Cordi → Jedco Inc.; 2015-04-27 to current/open; source msha-controller-operator-history