1974
Electrolytic Zinc Discovery of Elura (now Endeavor) Deposit
1976
Maiden Resource of 27MT @ 8.3% Zn, 5.6% Pb, 140 g/t Ag
1982
Commercial production commenced by owner Pasminco
1992/94
Chairman David Sproule purchased 84,000t of Level 1 South Lode Supergene flotation tailings @ 550 g/t Ag and 3.5g/t Au and processed offsite at Mt Boppy Mine.
2003
Operation purchased by ASX listed CBH Resources and installed Paste Fill Plant
2005
CBH entered a 100% Silver Streaming Royalty with Coeur d’Alene
2010
CBH privatised by Toho Zinc with A$380 million on-market takeover
2020
Endeavor placed on Care & Maintenance but kept operationally ready
2022
Polymetals restructured 100% silver stream royalty to 4% NSR
2023
Polymetals acquisition of Endeavor with focus on recommencement of metal production
