# Relationship history for MSHA mine 3608297

Current hierarchy: **Scott B  Kimmel → Meadowbrook Coal Company Incorporated → Goodspring Stripping**

- 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:** Kimmel Leslie R → Goodspring Stripping; 1950-01-01 to 2003-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Meadowbrook Coal Company Incorporated → Goodspring Stripping; 1991-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kimmel Leslie R → Meadowbrook Coal Company Incorporated; 1991-10-01 to 2003-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Scott B  Kimmel → Goodspring Stripping; 2003-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott B  Kimmel → Meadowbrook Coal Company Incorporated; 2003-10-06 to current/open; source msha-controller-operator-history