{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/by-controller?name=Blake%20A%20Mansfield","controller":"Blake A Mansfield","_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":"2026-09-09T22:00:20.621Z"},"count":1,"truncated":false,"mines":[{"mine_id":"3102362","mine_name":"Ballance","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Active","state":"NC","county_name":"Currituck","controller_name":"Blake A Mansfield","operator_name":"Nansemond Sand and Aggregates LLC dba Bay Sand","num_employees":4,"primary_canvass":"SandAndGravel","canonical_url":"https://api.ai-analytics.org/mine/3102362"}]}