{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Pierson%20Harry","controller":"Pierson 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":"2026-10-31T01:23:17.922Z"},"count":1,"truncated":false,"mines":[{"mine_id":"1510594","mine_name":"No 3 Prep Plant","coal_metal_ind":"C","mine_type":"Facility","mine_status":"Abandoned","state":"KY","county_name":"Johnson","controller_name":"Pierson Harry","operator_name":"Northeast Coal Company","num_employees":0,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/1510594"}]}