# Relationship history for MSHA mine 3610147

Current hierarchy: **Marcus J  Cole → Marcus Cole Construction Inc → 2008 Eagle Crusher SS# 30739**

- 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:** Marcus Cole Construction Inc → 2008 Eagle Crusher SS# 30739; 2015-06-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marcus J  Cole → 2008 Eagle Crusher SS# 30739; 2015-06-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marcus J  Cole → Marcus Cole Construction Inc; 2015-06-24 to current/open; source msha-controller-operator-history