{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/by-controller?name=Walling%20Richard","controller":"Walling Richard","_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":"2026-09-28T22:51:07.695Z"},"count":1,"truncated":false,"mines":[{"mine_id":"3607325","mine_name":"Magic Mine","coal_metal_ind":"C","mine_type":"Facility","mine_status":"Abandoned","state":"PA","county_name":"Cambria","controller_name":"Walling Richard","operator_name":"Exact Mining Inc","num_employees":0,"primary_canvass":"Coal","canonical_url":"https://api.ai-analytics.org/mine/3607325"}]}