# Relationship history for MSHA mine 4406880

Current hierarchy: **James A  Hubbard → Hasco Inc → Middleton Mine**

- 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:** Middleton Mining Llc → Middleton Mine; 1997-07-01 to 1999-08-30; source msha-controller-operator-history
- **controller_controls_mine:** Arlie J  Lambert et al → Middleton Mine; 1997-07-01 to 1999-08-30; source msha-controller-operator-history
- **controller_controls_operator:** Arlie J  Lambert et al → Middleton Mining Llc; 1997-07-01 to 1999-08-30; source msha-controller-operator-history
- **controller_controls_mine:** James A  Hubbard → Middleton Mine; 1997-11-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hosanna Llc → Middleton Mine; 1999-08-31 to 2000-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Kevin  Lowe → Middleton Mine; 1999-08-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  Lowe → Hosanna Llc; 1999-08-31 to 2000-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Hasco Inc → Middleton Mine; 2000-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Hubbard → Hasco Inc; 2000-01-14 to current/open; source msha-controller-operator-history