{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Carlton%20Miller%20Sand%20%26%20Gravel","controller":"Carlton Miller Sand & Gravel","_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":"2026-10-06T12:58:11.330Z"},"count":1,"truncated":false,"mines":[{"mine_id":"0600395","mine_name":"Miller Pit And Mill","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"CT","county_name":"New London","controller_name":"Carlton Miller Sand & Gravel","operator_name":"Carlton Miller Sand & Gravel","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/0600395"}]}