Sierra Madre Receives Regulatory Approval for Dry Stack Tailings Deposition on Existing Tailings Impoundment, Paste Backfill of Tailings in Underground Workings and Surface Drilling Pad Sites May 28, 2024 / gambusinoprospectormexico / Leave a comment 2024-05-28_sierra-madre-receives-regulatory-approval-for-dry-stack-tailings-deposition_la-guitarra-project_mexicoDownload