{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Smith%20Arthur%20L-Leo%20%26%20Harry","controller":"Smith Arthur L-Leo & Harry","_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":"2026-10-05T03:38:43.822Z"},"count":1,"truncated":false,"mines":[{"mine_id":"0503786","mine_name":"Smuggler Mine","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"CO","county_name":"Gilpin","controller_name":"Smith Arthur L-Leo & Harry","operator_name":"Arthur L Smith","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/0503786"}]}