In 1712, together with Yakov Permyakov, Merkury Vagin explored the region of the eastern Laptev Sea coast, including Bolshoy Lyakhovsky Island, the southernmost of the New Siberian Archipelago.
Merkury Vagin explored the region of the eastern Laptev Sea coast. This was including Bolshoy Lyakhovsky Island. This was together with Yakov Permyakov. This was in 1712. Bolshoy Lyakhovsky Island was the southernmost of the New Siberian Archipelago.