{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Carter%20Calvin%20P","controller":"Carter Calvin P","_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":"2026-10-31T01:27:39.962Z"},"count":1,"truncated":false,"mines":[{"mine_id":"4400236","mine_name":"Leesville Quarry","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"VA","county_name":"Campbell","controller_name":"Carter Calvin P","operator_name":"Leesville Stone Company","num_employees":null,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/4400236"}]}