# Relationship history for MSHA mine 1519153

Current hierarchy: **Jerry  Bevins → Dynasty Mining Inc. → #1 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

- **operator_operates_mine:** Cheyenne Mining Co Inc → #1 Mine; 2007-10-16 to 2012-09-03; source msha-controller-operator-history
- **controller_controls_mine:** Henry  Chaney  et al → #1 Mine; 2007-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Henry  Chaney  et al → Cheyenne Mining Co Inc; 2007-10-16 to 2012-09-03; source msha-controller-operator-history
- **controller_controls_operator:** Greg  Damron  et al → Cheyenne Mining Co Inc; 2007-10-16 to 2012-09-03; source msha-controller-operator-history
- **operator_operates_mine:** Dynasty Mining Inc. → #1 Mine; 2012-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Bevins → #1 Mine; 2012-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Bevins → Dynasty Mining Inc.; 2012-09-04 to current/open; source msha-controller-operator-history