# Relationship history for MSHA mine 3003554

Current hierarchy: **Aaron  Olson; Thomas  Olson; Christopher R Smith → Jamestown Macadam, Inc. → Ivory Pit**

- 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:** Lewis A  James → Ivory Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roger  Olson et al → Ivory Pit; 1950-01-01 to 2019-10-26; source msha-controller-operator-history
- **operator_operates_mine:** Tri-James Services, Inc. → Ivory Pit; 2005-12-23 to 2022-12-15; source msha-controller-operator-history
- **controller_controls_operator:** Lewis A  James → Tri-James Services, Inc.; 2005-12-23 to 2022-12-15; source msha-controller-operator-history
- **controller_controls_mine:** Aaron  Olson et al → Ivory Pit; 2019-10-27 to 2021-09-11; source msha-controller-operator-history
- **controller_controls_mine:** Christopher R Smith et al → Ivory Pit; 2021-09-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jamestown Macadam, Inc. → Ivory Pit; 2022-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aaron  Olson et al → Jamestown Macadam, Inc.; 2022-12-16 to 2021-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Olson et al → Jamestown Macadam, Inc.; 2022-12-16 to 2021-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Michael J  Wellman et al → Jamestown Macadam, Inc.; 2022-12-16 to 2021-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Christopher R Smith et al → Jamestown Macadam, Inc.; 2022-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aaron  Olson et al → Jamestown Macadam, Inc.; 2022-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Olson et al → Jamestown Macadam, Inc.; 2022-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Olson et al → Jamestown Macadam, Inc.; 2022-12-16 to 2019-10-26; source msha-controller-operator-history