# Relationship history for MSHA mine 3601826

Current hierarchy: **Travis J Rothermel → RIE Anthracite Products, Inc. → RIE Prep Plant #1**

- 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:** Direnzo Coal Company → RIE Prep Plant #1; 1950-01-01 to 2015-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Paul A  Direnzo Sr → RIE Prep Plant #1; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul A  Direnzo Sr → Direnzo Coal Company; 1950-01-01 to 2015-04-14; source msha-controller-operator-history
- **operator_operates_mine:** DiRenzo Coal Co LLC → RIE Prep Plant #1; 2015-04-15 to 2022-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Michael  DiRenzo et al → RIE Prep Plant #1; 2015-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  DiRenzo et al → DiRenzo Coal Co LLC; 2015-04-15 to 2022-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Paul  DiRenzo Jr et al → DiRenzo Coal Co LLC; 2015-04-15 to 2022-07-31; source msha-controller-operator-history
- **operator_operates_mine:** RIE Anthracite Products, Inc. → RIE Prep Plant #1; 2022-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John R  Rothermel et al → RIE Prep Plant #1; 2022-08-01 to 2023-09-09; source msha-controller-operator-history
- **controller_controls_operator:** John R  Rothermel et al → RIE Anthracite Products, Inc.; 2022-08-01 to 2023-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Travis  Rothermel et al → RIE Anthracite Products, Inc.; 2022-08-01 to 2023-09-09; source msha-controller-operator-history
- **controller_controls_mine:** Travis J Rothermel → RIE Prep Plant #1; 2023-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Travis J Rothermel → RIE Anthracite Products, Inc.; 2023-09-10 to current/open; source msha-controller-operator-history