# Relationship history for MSHA mine 2900936

Current hierarchy: **Quikrete Holdings Inc. → Monarch Mountain Minerals & Aggregates, LLC → CERRITO PELADO**

- 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:** Royce C  Morton  et al → CERRITO PELADO; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Colony Materials Inc → CERRITO PELADO; 1950-01-01 to 1979-09-19; source msha-controller-operator-history
- **controller_controls_mine:** Naumburg Phil Et Al → CERRITO PELADO; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Naumburg Phil Et Al → Colony Materials Inc; 1950-01-01 to 1979-09-19; source msha-controller-operator-history
- **operator_operates_mine:** Big Chief Stone Inc → CERRITO PELADO; 1979-09-20 to 1997-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Royce C  Morton  et al → Big Chief Stone Inc; 1979-09-20 to 1997-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Edna O  Morton  et al → Big Chief Stone Inc; 1979-09-20 to 1997-12-07; source msha-controller-operator-history
- **operator_operates_mine:** Santa Fe Mining Company → CERRITO PELADO; 1997-12-08 to 2003-12-02; source msha-controller-operator-history
- **controller_controls_mine:** Dickson A  Hilton III et al → CERRITO PELADO; 1997-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dickson A  Hilton III et al → Santa Fe Mining Company; 1997-12-08 to 2003-12-02; source msha-controller-operator-history
- **controller_controls_operator:** John R  Funk et al → Santa Fe Mining Company; 1997-12-08 to 2003-12-02; source msha-controller-operator-history
- **operator_operates_mine:** Pavestone Company, LP → CERRITO PELADO; 2003-12-03 to 2011-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Robert J Schelegel et al → CERRITO PELADO; 2003-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert J Schelegel et al → Pavestone Company, LP; 2003-12-03 to 2011-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Pavestone General Inc et al → Pavestone Company, LP; 2003-12-03 to 2011-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Monarch Mountain Minerals & Aggregates, LLC → CERRITO PELADO; 2012-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Quikrete Holdings Inc. → CERRITO PELADO; 2012-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Quikrete Holdings Inc. → Monarch Mountain Minerals & Aggregates, LLC; 2012-01-01 to current/open; source msha-controller-operator-history