# Relationship history for MSHA mine 4102864

Current hierarchy: **James E  Holmes → Holmes Construction Company  LP → CRUSHER #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:** Holmes Construction Company  LP → CRUSHER #1; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James E  Holmes  et al → CRUSHER #1; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James E  Holmes  et al → Holmes Construction Company  LP; 1979-01-01 to current/open; source msha-controller-operator-history