# Relationship history for MSHA mine 3401348

Current hierarchy: **H I G Capital LLC → Harrison Gypsum, LLC → Allied Custom Gypsum**

- 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:** Charles W  Harrison Jr → Allied Custom Gypsum; 1950-01-01 to 2014-07-14; source msha-controller-operator-history
- **controller_controls_mine:** Arnold A W → Allied Custom Gypsum; 1980-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** A W Arnold & Associates Inc → Allied Custom Gypsum; 1981-11-01 to 1987-08-04; source msha-controller-operator-history
- **controller_controls_operator:** Arnold A W → A W Arnold & Associates Inc; 1981-11-01 to 1987-08-04; source msha-controller-operator-history
- **operator_operates_mine:** Harrison Gypsum, LLC → Allied Custom Gypsum; 1987-08-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles W  Harrison Jr → Harrison Gypsum, LLC; 1987-08-05 to 2014-07-14; source msha-controller-operator-history
- **controller_controls_mine:** H I G Capital LLC → Allied Custom Gypsum; 2014-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** H I G Capital LLC → Harrison Gypsum, LLC; 2014-07-15 to current/open; source msha-controller-operator-history