{"carrier":{"dot_number":"54275","legal_name":"SIERRITA MINING & RANCHING CO","dba_name":"","entity_type":"PRIVATE PROPERTY","operating_status":"PRIVATE PROPERTY","phy_street":"9333 W WHITE HILLS LOOP","phy_city":"SAHUARITA","phy_state":"AZ","phy_zip":"85629-9311","phy_country":"US","phone":"5206251204","mc_number":"MC-99175","mc_number_2":"","mc_number_3":"","carrier_operation":"C","hm_indicator":"Y","power_units":15,"total_drivers":15,"total_cdl":15,"mcs150_mileage":165000,"mcs150_mileage_year":"2022","mcs150_date":"20250421 1718","add_date":"19740601","officer_1":"TODD E. HARRIS","officer_2":"LES C. HARRIS","fleet_size_class":"G","business_type":"CORPORATION","duns_number":"41458324","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:35:37","updated_at":"2026-05-16 01:35:37"},"crashes":{"total":3,"fatal":1,"injury":0},"safety_scores":[]}