{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Frenchs'%20Sand%20and%20Gravel%20LLC","controller":"Frenchs' Sand and Gravel LLC","_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":"2026-10-06T02:37:12.718Z"},"count":1,"truncated":false,"mines":[{"mine_id":"3607021","mine_name":"SHENANGO VALLEY SAND & GRAVEL,INC","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"PA","county_name":"Mercer","controller_name":"Frenchs' Sand and Gravel LLC","operator_name":"Shenango Valley Sand & Gravel Inc","num_employees":0,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/3607021"}]}