{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Bargo%20Curtis%20%26%20Thomas%20J%20Helton","controller":"Bargo Curtis & Thomas J Helton","_source":{"data_provider":"AI Analytics","brand_name":"MORVS","brand_url":"https://morvs.ai/","data_provider_url":"https://api.morvs.ai","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp","generated_at":"2026-10-05T17:25:27.614Z"},"count":1,"truncated":false,"mines":[{"mine_id":"1511609","mine_name":"No 1 Surface","coal_metal_ind":"C","mine_type":"Surface","mine_status":"Abandoned","state":"KY","county_name":"Knox","controller_name":"Bargo Curtis & Thomas J Helton","operator_name":"Bargo Coal","num_employees":null,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/1511609"}]}