# Relationship history for MSHA mine 3200397

Current hierarchy: **Mike Roy Gowan; Milton R Gowan → Gowan Construction Inc. → ROEDER PIT**

- 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:** Gabriel Construction Company → ROEDER PIT; 1950-01-01 to 1986-04-27; source msha-controller-operator-history
- **controller_controls_mine:** Harvey  Gabriel → ROEDER PIT; 1950-01-01 to 1986-04-27; source msha-controller-operator-history
- **controller_controls_operator:** Harvey  Gabriel → Gabriel Construction Company; 1950-01-01 to 1986-04-27; source msha-controller-operator-history
- **operator_operates_mine:** Gabriel Construction Inc → ROEDER PIT; 1986-04-28 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Linda  Gabriel  et al → ROEDER PIT; 1986-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Linda  Gabriel  et al → Gabriel Construction Inc; 1986-04-28 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Denny  Gabriel  et al → Gabriel Construction Inc; 1986-04-28 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Milton R  Gowan → ROEDER PIT; 2009-07-24 to 2025-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Gowan Construction Inc. → ROEDER PIT; 2017-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Milton R  Gowan → Gowan Construction Inc.; 2017-01-01 to 2025-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Milton R Gowan et al → ROEDER PIT; 2025-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Milton R Gowan et al → Gowan Construction Inc.; 2025-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike Roy Gowan et al → Gowan Construction Inc.; 2025-05-19 to current/open; source msha-controller-operator-history