# Relationship history for MSHA mine 4103502

Current hierarchy: **Margarito  Espinoza → LMS Lone Star Masonry and Stone → LMS Lone Star Masonry and Stone**

- 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:** Austin Cut Stone Inc → LMS Lone Star Masonry and Stone; 1987-12-01 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Howard  Yocham → LMS Lone Star Masonry and Stone; 1987-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Howard  Yocham → Austin Cut Stone Inc; 1987-12-01 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Paul  Schartz → LMS Lone Star Masonry and Stone; 1993-07-22 to 2008-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Capitol Area Resources → LMS Lone Star Masonry and Stone; 2009-01-01 to 2017-08-07; source msha-controller-operator-history
- **controller_controls_mine:** Howard  Yocham → LMS Lone Star Masonry and Stone; 2009-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Howard  Yocham → Capitol Area Resources; 2009-01-01 to 2017-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Schartz → Capitol Area Resources; 2009-01-01 to 2008-12-31; source msha-controller-operator-history
- **operator_operates_mine:** LMS Lone Star Masonry and Stone → LMS Lone Star Masonry and Stone; 2017-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Margarito  Espinoza → LMS Lone Star Masonry and Stone; 2017-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Margarito  Espinoza → LMS Lone Star Masonry and Stone; 2017-08-08 to current/open; source msha-controller-operator-history