# Relationship history for MSHA mine 2902118

Current hierarchy: **Huma Inc → Mesa Verde Humates, LLC → Mesa Verde Humates, LLC**

- 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:** Mesa Verde Resources → Mesa Verde Humates, LLC; 1993-06-01 to 2000-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Joe Talley  Spence → Mesa Verde Humates, LLC; 1993-06-01 to 2000-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Joe Talley  Spence → Mesa Verde Resources; 1993-06-01 to 2000-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Mesa Verde Resources → Mesa Verde Humates, LLC; 2000-08-01 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Bruce  Reid → Mesa Verde Humates, LLC; 2000-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Reid → Mesa Verde Resources; 2000-08-01 to 2016-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Mesa Verde Humates, LLC → Mesa Verde Humates, LLC; 2017-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Huma Inc et al → Mesa Verde Humates, LLC; 2017-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Huma Inc et al → Mesa Verde Humates, LLC; 2017-01-01 to current/open; source msha-controller-operator-history