Fascinating map of America, featuring an unusual northwest coast of America, which includes Martin d'Aguilar's strait which provides for a Northwest Passage via the Great Lakes, via what would likely be the so-called River of the West.
The rest of the Northwest Coast of America is orineted virtually due North, with notations regarding Russian explorations in 1743. California is a Peninsula, with annotations regarding Quivira or Teguaio. Evidence of the claims of the various British and French colonies throughout, especially along the Eastern Seaboard.
Isaak Tirion was a prominent Dutch publisher based in Amsterdam in the eighteenth century. He is best known for historical works that included prints showing scenes from around the world. He also produced maps, such as those in the Nieuwe Hand-Atlas of 1744.