# Relationship history for MSHA mine 1700714

Current hierarchy: **Carl J  Soderberg → Soderberg Company, Inc. → CIN 000171**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Dana  Mc Quade  et al → CIN 000171; 1979-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** A E Mcquade & Sons Inc → CIN 000171; 2001-08-30 to 2006-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Dana  Mc Quade  et al → A E Mcquade & Sons Inc; 2001-08-30 to 2006-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Ross  Mc Quade  et al → A E Mcquade & Sons Inc; 2001-08-30 to 2006-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Carl J  Soderberg → CIN 000171; 2003-09-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Soderberg Company, Inc. → CIN 000171; 2006-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl J  Soderberg → Soderberg Company, Inc.; 2006-04-01 to current/open; source msha-controller-operator-history