# Relationship history for MSHA mine 3003195

Current hierarchy: **Christopher  Henry → Homer Sand & Gravel, LLC → Homer Sand & Gravel, LLC**

- 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

- **controller_controls_mine:** John J  Kinsella → Homer Sand & Gravel, LLC; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Neal Stearns Construction → Homer Sand & Gravel, LLC; 1997-06-01 to 2003-07-15; source msha-controller-operator-history
- **controller_controls_mine:** Neal  Stearns → Homer Sand & Gravel, LLC; 1997-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Neal  Stearns → Neal Stearns Construction; 1997-06-01 to 2003-07-15; source msha-controller-operator-history
- **operator_operates_mine:** E-Z Acres Materials Inc → Homer Sand & Gravel, LLC; 2003-07-16 to 2008-06-29; source msha-controller-operator-history
- **controller_controls_mine:** Michael P  Mc Mahon  et al → Homer Sand & Gravel, LLC; 2003-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Mc Mahon  et al → E-Z Acres Materials Inc; 2003-07-16 to 2008-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Peter F  Mc Mahon  et al → E-Z Acres Materials Inc; 2003-07-16 to 2008-06-29; source msha-controller-operator-history
- **operator_operates_mine:** T.H. Kinsella, Inc. → Homer Sand & Gravel, LLC; 2008-06-30 to 2020-09-30; source msha-controller-operator-history
- **controller_controls_operator:** John J  Kinsella → T.H. Kinsella, Inc.; 2008-06-30 to 2020-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Homer Sand & Gravel, LLC → Homer Sand & Gravel, LLC; 2020-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christopher  Henry → Homer Sand & Gravel, LLC; 2020-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Henry → Homer Sand & Gravel, LLC; 2020-10-01 to current/open; source msha-controller-operator-history