# Relationship history for MSHA mine 1516100

Current hierarchy: **Crawford Dennis R & Danny R → Steel Hollow Mining Inc → #10**

- 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:** Rose Daniel Et Al → #10; 1986-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Red Rose Mining → #10; 1987-07-01 to 1989-05-30; source msha-controller-operator-history
- **controller_controls_operator:** Rose Daniel Et Al → Red Rose Mining; 1987-07-01 to 1989-05-30; source msha-controller-operator-history
- **controller_controls_mine:** Crawford Dennis R & Danny R → #10; 1988-06-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** White Shadow Inc → #10; 1989-05-31 to 1990-05-30; source msha-controller-operator-history
- **controller_controls_mine:** Smith Doron K Et Al → #10; 1989-05-31 to 1990-05-30; source msha-controller-operator-history
- **controller_controls_operator:** Smith Doron K Et Al → White Shadow Inc; 1989-05-31 to 1990-05-30; source msha-controller-operator-history
- **operator_operates_mine:** Steel Hollow Mining Inc → #10; 1990-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Crawford Dennis R & Danny R → Steel Hollow Mining Inc; 1990-05-31 to current/open; source msha-controller-operator-history
