# Relationship history for MSHA mine 4700788

Current hierarchy: **Kurt  Bechthold → Payne & Dolan, Inc. → Capitol Sand**

- 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:** Capitol Sand & Gravel Company Inc → Capitol Sand; 1950-01-01 to 2018-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Rodney A  Gallagher  et al → Capitol Sand; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rodney A  Gallagher  et al → Capitol Sand & Gravel Company Inc; 1950-01-01 to 2018-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Michael A  Gallagher  et al → Capitol Sand & Gravel Company Inc; 1950-01-01 to 2018-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Kurt  Bechthold et al → Capitol Sand; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Payne & Dolan, Inc. → Capitol Sand; 2018-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kurt  Bechthold et al → Payne & Dolan, Inc.; 2018-08-01 to current/open; source msha-controller-operator-history