# Relationship history for MSHA mine 0503690

Current hierarchy: **Cleff Howard → American Rare Minerals Inc → A R M Pad And Claims**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Wallace Joe-Val Ginn Et Al → A R M Pad And Claims; 1981-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gold Ore Ltd Of Cripple Creek → A R M Pad And Claims; 1981-07-01 to 1984-10-11; source msha-controller-operator-history
- **controller_controls_operator:** Wallace Joe-Val Ginn Et Al → Gold Ore Ltd Of Cripple Creek; 1981-07-01 to 1984-10-11; source msha-controller-operator-history
- **operator_operates_mine:** Hull Mining Company → A R M Pad And Claims; 1984-10-12 to 1986-09-23; source msha-controller-operator-history
- **controller_controls_mine:** Hull Jack J → A R M Pad And Claims; 1984-10-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hull Jack J → Hull Mining Company; 1984-10-12 to 1986-09-23; source msha-controller-operator-history
- **operator_operates_mine:** American Rare Minerals Inc → A R M Pad And Claims; 1986-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cleff Howard → A R M Pad And Claims; 1986-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cleff Howard → American Rare Minerals Inc; 1986-09-24 to current/open; source msha-controller-operator-history