# Relationship history for MSHA mine 1515793

Current hierarchy: **Freeman Daniel V → Freeman Fuels Of Ky Inc → Mountain Top #2**

- 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:** Roy  Parsons → Mountain Top #2; 1984-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cheyenne Coal Company → Mountain Top #2; 1986-10-01 to 1990-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Roy  Parsons → Cheyenne Coal Company; 1986-10-01 to 1990-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Freeman Daniel V → Mountain Top #2; 1988-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Freeman Fuels Of Ky Inc → Mountain Top #2; 1990-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Freeman Daniel V → Freeman Fuels Of Ky Inc; 1990-07-20 to current/open; source msha-controller-operator-history