# Relationship history for MSHA mine 2300104

Current hierarchy: **Brad B Gipson; Cade E Smith → Colt Rock and Lime LLC. → Colt Rock and Lime 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Harris Limestone Inc → Colt Rock and Lime LLC; 1950-01-01 to 1991-05-16; source msha-controller-operator-history
- **controller_controls_mine:** Willard W  Harris → Colt Rock and Lime LLC; 1950-01-01 to 1995-11-28; source msha-controller-operator-history
- **controller_controls_operator:** Willard W  Harris → Harris Limestone Inc; 1950-01-01 to 1991-05-16; source msha-controller-operator-history
- **operator_operates_mine:** Harris Aglime Inc → Colt Rock and Lime LLC; 1991-05-17 to 1994-04-06; source msha-controller-operator-history
- **controller_controls_mine:** William  Brielmaier → Colt Rock and Lime LLC; 1991-05-17 to 1994-04-06; source msha-controller-operator-history
- **controller_controls_operator:** William  Brielmaier → Harris Aglime Inc; 1991-05-17 to 1994-04-06; source msha-controller-operator-history
- **operator_operates_mine:** Harris Limestone Inc → Colt Rock and Lime LLC; 1994-04-07 to 1995-11-28; source msha-controller-operator-history
- **controller_controls_operator:** Willard W  Harris → Harris Limestone Inc; 1994-04-07 to 1995-11-28; source msha-controller-operator-history
- **operator_operates_mine:** Scaggs Rock-N-Lime, Inc. → Colt Rock and Lime LLC; 1995-11-29 to 2022-08-23; source msha-controller-operator-history
- **controller_controls_mine:** James K  Scaggs → Colt Rock and Lime LLC; 1995-11-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James K  Scaggs → Scaggs Rock-N-Lime, Inc.; 1995-11-29 to 2022-08-23; source msha-controller-operator-history
- **operator_operates_mine:** Colt Rock and Lime LLC. → Colt Rock and Lime LLC; 2022-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brad B Gipson et al → Colt Rock and Lime LLC; 2022-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad B Gipson et al → Colt Rock and Lime LLC.; 2022-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cade E Smith et al → Colt Rock and Lime LLC.; 2022-08-24 to current/open; source msha-controller-operator-history