# Relationship history for MSHA mine 2102772

Current hierarchy: **Tom J Paulson; Mike  Paulson → Stussy Construction → Brown Quarry**

- 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:** Quarve & Anderson Company → Brown Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James D  Paulson et al → Brown Quarry; 1950-01-01 to 2022-05-24; source msha-controller-operator-history
- **operator_operates_mine:** Stussy Construction → Brown Quarry; 1980-04-01 to 1980-10-05; source msha-controller-operator-history
- **controller_controls_operator:** James D  Paulson et al → Stussy Construction; 1980-04-01 to 1980-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Quarve & Anderson Company → Brown Quarry; 1980-10-06 to 1982-10-25; source msha-controller-operator-history
- **controller_controls_operator:** Quarve & Anderson Company → Quarve & Anderson Company; 1980-10-06 to 1982-10-25; source msha-controller-operator-history
- **operator_operates_mine:** Stussy Construction → Brown Quarry; 1982-10-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James D  Paulson et al → Stussy Construction; 1982-10-26 to 2022-05-24; source msha-controller-operator-history
- **controller_controls_mine:** Tom J Paulson et al → Brown Quarry; 2022-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tom J Paulson et al → Stussy Construction; 2022-05-25 to 1980-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Paulson et al → Stussy Construction; 2022-05-25 to 1980-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Paulson et al → Stussy Construction; 2022-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tom J Paulson et al → Stussy Construction; 2022-05-25 to current/open; source msha-controller-operator-history