# Relationship history for MSHA mine 3003854

Current hierarchy: **Daniel R Gernatt Jr → Gernatt Asphalt Products, Inc. → Waterman Pit**

- 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

- **controller_controls_mine:** Dan  Gernatt Sr et al → Waterman Pit; 1979-11-01 to 2014-05-04; source msha-controller-operator-history
- **operator_operates_mine:** Waterman's Gravel LLC → Waterman Pit; 2013-05-01 to 2015-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Greg  Waterman → Waterman Pit; 2013-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg  Waterman → Waterman's Gravel LLC; 2013-05-01 to 2015-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Daniel R Gernatt Jr et al → Waterman Pit; 2014-05-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gernatt Asphalt Products, Inc. → Waterman Pit; 2015-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel R Gernatt Jr et al → Gernatt Asphalt Products, Inc.; 2015-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dan  Gernatt Sr et al → Gernatt Asphalt Products, Inc.; 2015-01-05 to 2014-05-04; source msha-controller-operator-history