{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Teresa%20A%20Hulla%3B%20Robert%20L%20Hulla","controller":"Teresa A Hulla; Robert L Hulla","_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":"2026-10-06T09:32:06.953Z"},"count":1,"truncated":false,"mines":[{"mine_id":"3503830","mine_name":"Freel Ranch Quarry","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Active","state":"OR","county_name":"Jackson","controller_name":"Teresa A Hulla; Robert L Hulla","operator_name":"HGC INC","num_employees":6,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/3503830"}]}