# Relationship history for MSHA mine 1519640

Current hierarchy: **Juda L  Niece → Triple J Contracting, LLC → Ice Road 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:** Bobby Ray  Elswick → Ice Road Mine; 2008-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert D  Jessee → Ice Road Mine; 2008-07-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Stone Ridge Resources Inc. → Ice Road Mine; 2011-11-23 to 2012-11-28; source msha-controller-operator-history
- **controller_controls_operator:** Robert D  Jessee → Stone Ridge Resources Inc.; 2011-11-23 to 2012-11-28; source msha-controller-operator-history
- **operator_operates_mine:** Landfall Mining Inc → Ice Road Mine; 2012-11-29 to 2014-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Bobby Ray  Elswick → Landfall Mining Inc; 2012-11-29 to 2014-01-02; source msha-controller-operator-history
- **operator_operates_mine:** Triple J Contracting, LLC → Ice Road Mine; 2014-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Juda L  Niece → Ice Road Mine; 2014-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Juda L  Niece → Triple J Contracting, LLC; 2014-01-03 to current/open; source msha-controller-operator-history