Sierra Madre announces full commercial production at Guitarra Mine Complex
Sierra Madre Gold and Silver Ltd. (TSXV: SM) (OTCQX: SMDRF) ("Sierra Madre" or the "Company" – https://www.commodity-tv.com/ondemand/companies/profil/sierra-madre-gold-silver/) is pleased to announce that full commercial production at the 100% owned Guitarra Mine Complex located in Estado de Mexico, Mexico, commenced on Mehr