The above remarks apply more particularly to topographic maps.
Topographic belts of the state, in an irregular line running W.
The most notable topographic feature is the roughly circular mountain area of north-eastern New York known as the Adirondack mountains (q.v.).
The eastern boundary of the plains is more climatic than topographic. The line of 20 in.
The' four topographic belts of the state correspond very closely to the outcrops of its geological formations; the rocks of the Appalachian belt being of Palaeozoic age; the formation of the Highlands, Archaean; that of the Triassic Lowland, Triassic; that of the irregular hills of the Coastal Plain, Cretaceous and Tertiary.