# Relationship history for MSHA mine 2800019

Current hierarchy: **Janet R  Braen → Braen Royalties, LLC → Braen Stone of Sparta**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Medusa Corp → Braen Stone of Sparta; 1950-01-01 to 1998-06-29; source msha-controller-operator-history
- **controller_controls_mine:** Southdown Inc → Braen Stone of Sparta; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Limestone Products Corp → Braen Stone of Sparta; 1950-01-01 to 1993-09-14; source msha-controller-operator-history
- **controller_controls_mine:** Penn Virginia Corp → Braen Stone of Sparta; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Penn Virginia Corp → Limestone Products Corp; 1950-01-01 to 1993-09-14; source msha-controller-operator-history
- **operator_operates_mine:** Lime Crest Corp → Braen Stone of Sparta; 1993-09-15 to 1997-03-18; source msha-controller-operator-history
- **controller_controls_mine:** Paul G  Viall Jr et al → Braen Stone of Sparta; 1993-09-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul G  Viall Jr et al → Lime Crest Corp; 1993-09-15 to 1997-03-18; source msha-controller-operator-history
- **controller_controls_operator:** Gordon A  Brandon Jr et al → Lime Crest Corp; 1993-09-15 to 1997-03-18; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → Braen Stone of Sparta; 1994-09-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Medusa Minerals Company → Braen Stone of Sparta; 1997-03-19 to 1998-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Medusa Corp → Medusa Minerals Company; 1997-03-19 to 1998-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Southdown Inc → Braen Stone of Sparta; 1998-06-30 to 2001-02-27; source msha-controller-operator-history
- **controller_controls_operator:** Southdown Inc → Southdown Inc; 1998-06-30 to 2001-02-27; source msha-controller-operator-history
- **operator_operates_mine:** CEMEX INC → Braen Stone of Sparta; 2001-02-28 to 2004-02-18; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → CEMEX INC; 2001-02-28 to 2004-02-18; source msha-controller-operator-history
- **operator_operates_mine:** Limecrest Quarry Developers, LLC → Braen Stone of Sparta; 2004-02-19 to 2012-06-17; source msha-controller-operator-history
- **controller_controls_mine:** Robert J  Bauer et al → Braen Stone of Sparta; 2004-02-19 to 2010-01-11; source msha-controller-operator-history
- **controller_controls_operator:** Robert J  Bauer et al → Limecrest Quarry Developers, LLC; 2004-02-19 to 2010-01-11; source msha-controller-operator-history
- **controller_controls_operator:** Eugene  Mulvihill et al → Limecrest Quarry Developers, LLC; 2004-02-19 to 2010-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Ralph  Serpe et al → Braen Stone of Sparta; 2010-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ralph  Serpe et al → Limecrest Quarry Developers, LLC; 2010-01-12 to 2012-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Braen Royalties, LLC → Braen Stone of Sparta; 2012-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Janet R  Braen  et al → Braen Stone of Sparta; 2012-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Janet R  Braen  et al → Braen Royalties, LLC; 2012-06-18 to current/open; source msha-controller-operator-history