# Relationship history for MSHA mine 1401519

Current hierarchy: **Lee Anthony Morss; Toni Lynn Morss → Morss Ag Corp → Morss Ag Corp**

- 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

- **operator_operates_mine:** Midway Sand & Gravel → Morss Ag Corp; 1989-03-01 to 1992-03-31; source msha-controller-operator-history
- **controller_controls_mine:** James A  Leach  et al → Morss Ag Corp; 1989-03-01 to 1992-03-31; source msha-controller-operator-history
- **controller_controls_operator:** James A  Leach  et al → Midway Sand & Gravel; 1989-03-01 to 1992-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Eslinger Construction & Ready Mix Inc → Morss Ag Corp; 1992-04-01 to 2026-03-11; source msha-controller-operator-history
- **controller_controls_mine:** Edward O  Eslinger → Morss Ag Corp; 1992-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edward O  Eslinger → Eslinger Construction & Ready Mix Inc; 1992-04-01 to 2026-03-11; source msha-controller-operator-history
- **operator_operates_mine:** Morss Ag Corp → Morss Ag Corp; 2026-03-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Toni Lynn Morss et al → Morss Ag Corp; 2026-03-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Toni Lynn Morss et al → Morss Ag Corp; 2026-03-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lee Anthony Morss et al → Morss Ag Corp; 2026-03-12 to current/open; source msha-controller-operator-history