# Relationship history for MSHA mine 0405916

Current hierarchy: **John H  Franklin → Franklin Construction, Inc. → Little Chico Creek**

- 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:** John H  Franklin → Little Chico Creek; 1990-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Franklin Construction, Inc. → Little Chico Creek; 2016-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John H  Franklin → Franklin Construction, Inc.; 2016-09-26 to current/open; source msha-controller-operator-history
