{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Humphreys%20Engineering%20Company","controller":"Humphreys Engineering Company","_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":"2026-11-02T22:04:37.894Z"},"count":2,"truncated":false,"mines":[{"mine_id":"0800775","mine_name":"Boulougne Mine","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"FL","county_name":"Nassau","controller_name":"Humphreys Engineering Company","operator_name":"Humphreys Mining Company","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/0800775"},{"mine_id":"0900220","mine_name":"Folkston Mill","coal_metal_ind":"M","mine_type":"Facility","mine_status":"Abandoned","state":"GA","county_name":"Charlton","controller_name":"Humphreys Engineering Company","operator_name":"Humphreys Mining Company","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/0900220"}]}