VANCOUVER, BC, May 6, 2021 /PRNewswire/ – Zacatecas Silver Corp. (“Zacatecas Silver” or the “Company”) (TSXV: ZAC) is pleased to announce it has achieved a key milestone to commence its drilling activities at its highly prospective Panuco Silver Deposit and San Gill Breccia Zone by securing an access agreement with the Ejido “Panuco” Municipality, Zacatecas.  Further, Zacatecas Silver has entered into a 10,000 metre diamond drill contract…….