 In 1835, Dr. Tolmie spent 10 days with area natives, and with their help, discovered high-quality coal which, before the opening of mines soon after, needed to be imported from Britain.In 1843 Dr. Tolmie returned to Fort Nisqually (also called "Nisqually House" and "Nisqually Station").When he returned in 1843 he decided to relocate the fort closer to the Edmond Marsh and Sequalitchew creek in order to have better access to fresh water.