# Relationship history for MSHA mine 2601030

Current hierarchy: **Risher  Randall III → Walker Lane Mining LLC → Walker Lane Mining LLC (Rawhide)**

- 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:** General Mining Company → Walker Lane Mining LLC (Rawhide); 1950-01-01 to 1980-03-31; source msha-controller-operator-history
- **controller_controls_mine:** General Mining Company → Walker Lane Mining LLC (Rawhide); 1950-01-01 to 1980-03-31; source msha-controller-operator-history
- **controller_controls_operator:** General Mining Company → General Mining Company; 1950-01-01 to 1980-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Empire Minerals → Walker Lane Mining LLC (Rawhide); 1980-04-01 to 1982-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Aztec Royalty Inc → Walker Lane Mining LLC (Rawhide); 1980-04-01 to 1982-02-02; source msha-controller-operator-history
- **controller_controls_operator:** Aztec Royalty Inc → Empire Minerals; 1980-04-01 to 1982-02-02; source msha-controller-operator-history
- **operator_operates_mine:** Walker Lake Minerals Inc → Walker Lane Mining LLC (Rawhide); 1982-02-03 to 1988-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Peter  Candy → Walker Lane Mining LLC (Rawhide); 1982-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter  Candy → Walker Lake Minerals Inc; 1982-02-03 to 1988-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Kiewit Mining Group Inc → Walker Lane Mining LLC (Rawhide); 1988-01-05 to 1988-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Kiewit Mining Group et al → Walker Lane Mining LLC (Rawhide); 1988-01-05 to 1988-02-29; source msha-controller-operator-history
- **controller_controls_operator:** Kiewit Mining Group et al → Kiewit Mining Group Inc; 1988-01-05 to 1988-02-29; source msha-controller-operator-history
- **operator_operates_mine:** Kennecott Explorations (Australia) Ltd → Walker Lane Mining LLC (Rawhide); 1988-03-01 to 1989-06-29; source msha-controller-operator-history
- **controller_controls_mine:** British Petroleum Company PLC → Walker Lane Mining LLC (Rawhide); 1988-03-01 to 1989-06-29; source msha-controller-operator-history
- **controller_controls_operator:** British Petroleum Company PLC → Kennecott Explorations (Australia) Ltd; 1988-03-01 to 1989-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Rawhide Mine LLC → Walker Lane Mining LLC (Rawhide); 1989-06-30 to 2025-12-16; source msha-controller-operator-history
- **controller_controls_mine:** Rtz-CRA Group  et al → Walker Lane Mining LLC (Rawhide); 1989-06-30 to 2010-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Rtz-CRA Group  et al → Rawhide Mine LLC; 1989-06-30 to 2010-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Dayton Mining Corporation  et al → Rawhide Mine LLC; 1989-06-30 to 2010-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Rawhide Acquisition Holding LLC et al → Walker Lane Mining LLC (Rawhide); 2010-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rawhide Acquisition Holding LLC et al → Rawhide Mine LLC; 2010-09-01 to 2025-12-16; source msha-controller-operator-history
- **operator_operates_mine:** Walker Lane Mining LLC → Walker Lane Mining LLC (Rawhide); 2025-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Risher  Randall III → Walker Lane Mining LLC (Rawhide); 2025-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Risher  Randall III → Walker Lane Mining LLC; 2025-12-17 to current/open; source msha-controller-operator-history