{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Barrett%20J%20F%20%26%20Sons%20Inc","controller":"Barrett J F & Sons Inc","_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":"2026-10-04T08:50:16.774Z"},"count":1,"truncated":false,"mines":[{"mine_id":"0600587","mine_name":"D And J Quarry","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"CT","county_name":"New Haven","controller_name":"Barrett J F & Sons Inc","operator_name":"D & J Quarry Products Inc","num_employees":null,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/0600587"}]}