# Relationship history for MSHA mine 4702897

Current hierarchy: **Steven  Morrissey; James Casey  Morrissey → Little Giant Co. → Little Giant Co.**

- 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:** Little Giant Co. → Little Giant Co.; 1990-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steven  Morrissey et al → Little Giant Co.; 1990-03-01 to 2025-06-11; source msha-controller-operator-history
- **controller_controls_operator:** Steven  Morrissey et al → Little Giant Co.; 1990-03-01 to 2025-06-11; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Morrissey et al → Little Giant Co.; 1990-03-01 to 2025-06-11; source msha-controller-operator-history
- **controller_controls_mine:** James Casey  Morrissey et al → Little Giant Co.; 2025-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James Casey  Morrissey et al → Little Giant Co.; 2025-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steven  Morrissey et al → Little Giant Co.; 2025-06-12 to current/open; source msha-controller-operator-history