Omineca Mining and Metals (TSXV: OMM; OTCQB: OMMSF) announce the re-start of underground operations at the Wingdam placer ...

Under the mine plan, miners will use either grouted fore-poling followed by the application of shotcrete after excavation or tunnel liner plate where applicable ... ventilation upgrades, bulkhead ...

Under the mine plan, miners will use either grouted fore-poling followed by the application of shotcrete after excavation ... bulkhead installation and evaluation/reinforcement of existing bulkhea ...