{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/by-controller?name=Alton%20B%20McQuade%3B%20Graden%20G%20Tidd","controller":"Alton B McQuade; Graden G Tidd","_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":"2026-09-23T04:35:12.699Z"},"count":0,"truncated":false,"mines":[]}