Complex sentence: Peter Skene Ogden led Hudson's Bay Company trappers at Goose Lake in 1827, in 1832 the Hudson Bay trappers under John Work were in Surprise Valley area and mentioned Hunter's Hot Springs.
Split into simpler sentences: Peter Skene Ogden led Hudson's Bay Company trappers at Goose Lake in 1827. In 1832, the Hudson Bay trappers under John Work were in the Surprise Valley area and mentioned Hunter's Hot Springs.