# Relationship history for MSHA mine 1302408

Current hierarchy: **Jared W  Mohr → Mohr Sand, Gravel & Construction L.L.C. → Mohr Sand & Gravel PWP #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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Mohr Excavating → Mohr Sand & Gravel PWP #1; 2010-09-28 to 2015-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Jared W  Mohr → Mohr Sand & Gravel PWP #1; 2010-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jared W  Mohr → Mohr Excavating; 2010-09-28 to 2015-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Mohr Sand, Gravel & Construction L.L.C. → Mohr Sand & Gravel PWP #1; 2015-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tami L  Mohr et al → Mohr Sand & Gravel PWP #1; 2015-07-10 to 2016-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Tami L  Mohr et al → Mohr Sand, Gravel & Construction L.L.C.; 2015-07-10 to 2016-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Jared W Mohr et al → Mohr Sand, Gravel & Construction L.L.C.; 2015-07-10 to 2016-07-28; source msha-controller-operator-history
- **controller_controls_mine:** Jared W  Mohr → Mohr Sand & Gravel PWP #1; 2016-07-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jared W  Mohr → Mohr Sand, Gravel & Construction L.L.C.; 2016-07-29 to current/open; source msha-controller-operator-history