{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Johnson%20John%20M","controller":"Johnson John M","_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":"2026-10-01T04:45:14.577Z"},"count":3,"truncated":false,"mines":[{"mine_id":"4201451","mine_name":"Dime Mine","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"UT","county_name":"Carbon","controller_name":"Johnson John M","operator_name":"Johnson Mining Company","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/4201451"},{"mine_id":"4201649","mine_name":"Brad No 16","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"UT","county_name":"Grand","controller_name":"Johnson John M","operator_name":"Johnson Mining Company","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/4201649"},{"mine_id":"4201679","mine_name":"Joe Mine","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"UT","county_name":"Grand","controller_name":"Johnson John M","operator_name":"Johnson Mining Company","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/4201679"}]}