# Relationship history for MSHA mine 4103323

Current hierarchy: **Lesa Garrett  Osborne → Logo Materials Inc → LOGO MATERIALS INC**

- 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:** Haas Trucking Inc → LOGO MATERIALS INC; 1985-07-01 to 1988-06-29; source msha-controller-operator-history
- **controller_controls_mine:** Fred J  Haas → LOGO MATERIALS INC; 1985-07-01 to 1988-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Fred J  Haas → Haas Trucking Inc; 1985-07-01 to 1988-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Earth Resources Inc → LOGO MATERIALS INC; 1988-06-30 to 1991-08-27; source msha-controller-operator-history
- **controller_controls_mine:** John  Mizell → LOGO MATERIALS INC; 1988-06-30 to 1991-08-27; source msha-controller-operator-history
- **controller_controls_operator:** John  Mizell → Earth Resources Inc; 1988-06-30 to 1991-08-27; source msha-controller-operator-history
- **operator_operates_mine:** Logo Materials Inc → LOGO MATERIALS INC; 1991-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lesa Garrett  Osborne → LOGO MATERIALS INC; 1991-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lesa Garrett  Osborne → Logo Materials Inc; 1991-08-28 to current/open; source msha-controller-operator-history
