Darius fled northwards from Ecbatana upon his approach.
It has been ascertained from recent explorations that the area of carboniferous formation in that state extends from the Irwin northwards to the Gascoyne river, about 300 m., and probably all the way to the Kimberley district.
Oriental types range far northwards into China and Japan.
Then the army under Alva's son, Don Frederick of Toledo, marched northwards, and the sack of Zutphen and the inhuman butchery of Naarden are among the blackest records of history.
The only river with traffic of commercial importance is Otter Creek, flowing northwards into the southern part of Lake Champlain and having a navigable length of 8 m.