{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/violations/check?name=Calvin%20R%20%20Tackett","name":"Calvin R  Tackett","_source":{"data_provider":"AI Analytics","data_provider_url":"https://api.ai-analytics.org","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp","generated_at":"2026-08-19T05:33:34.139Z"},"summary":{"total_violations":4,"significant_and_substantial":1,"proposed_penalty_usd":400,"amount_paid_usd":400},"top_violated_rules":[{"part_section":"77.1004(b)","n":1},{"part_section":"75.1711-3","n":1},{"part_section":"75.1504(c)","n":1},{"part_section":"50.30(a)","n":1}],"recent_violations":[{"violation_no":"6643536","issue_date":"09/07/2007","mine_id":"1519143","controller_name":"Calvin R  Tackett","violator_name":"Hardshell Tipples Inc","sig_sub":"Y","part_section":"77.1004(b)","negligence":"LowNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/6643536"},{"violation_no":"7435606","issue_date":"08/31/2011","mine_id":"1517481","controller_name":"Calvin R  Tackett","violator_name":"Hardshell Tipples Inc.","sig_sub":"N","part_section":"75.1711-3","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/7435606"},{"violation_no":"6658768","issue_date":"06/03/2008","mine_id":"1517481","controller_name":"Calvin R  Tackett","violator_name":"Hardshell Tipples Inc.","sig_sub":"N","part_section":"75.1504(c)","negligence":"LowNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/6658768"},{"violation_no":"6658753","issue_date":"05/07/2008","mine_id":"1517481","controller_name":"Calvin R  Tackett","violator_name":"Hardshell Tipples Inc.","sig_sub":"N","part_section":"50.30(a)","negligence":"LowNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/6658753"}]}