# Relationship history for MSHA mine 3300152

Current hierarchy: **James P  Jurgensen II; Jacqueline J  Alf; Jason R  Jurgensen → Latham Limestone LLC → Latham Limestone #1**

- 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:** Seal Builders Supply Corp → Latham Limestone #1; 1950-01-01 to 1978-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Seal Builders Supply Corp → Latham Limestone #1; 1950-01-01 to 1983-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Seal Builders Supply Corp → Seal Builders Supply Corp; 1950-01-01 to 1978-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Latham Limestone Inc → Latham Limestone #1; 1978-04-01 to 2004-01-20; source msha-controller-operator-history
- **controller_controls_mine:** Murray Robert C → Latham Limestone #1; 1978-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Murray Robert C → Latham Limestone Inc; 1978-04-01 to 2004-01-20; source msha-controller-operator-history
- **operator_operates_mine:** Latham Limestone LLC → Latham Limestone #1; 2004-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James P  Jurgensen → Latham Limestone #1; 2004-01-21 to 2018-10-31; source msha-controller-operator-history
- **controller_controls_operator:** James P  Jurgensen → Latham Limestone LLC; 2004-01-21 to 2018-10-31; source msha-controller-operator-history
- **controller_controls_mine:** James P  Jurgensen II et al → Latham Limestone #1; 2018-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James P  Jurgensen II et al → Latham Limestone LLC; 2018-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason R  Jurgensen et al → Latham Limestone LLC; 2018-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jacqueline J  Alf et al → Latham Limestone LLC; 2018-11-01 to current/open; source msha-controller-operator-history