John Cletheroe's
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USA - Introduction
Area
3,618,770 square miles. This figure includes 251,084 square miles of inland freshwater lakes.
Furthest North to Furthest South (lower 48 states only)
1598 miles (on a line of longitude through Brownsville, Texas).
Furthest East to Furthest West (lower 48 states only)
2807 miles (on a line of latitude through Quoddy Head, the eastern point of Maine).
Population Density
71 per square mile.
Interstate Highway Marker Shield
A shield with a relatively simple shape.
There is a thin red horizontal strip at the top containing the word "Interstate".
The main part of the shield is blue and contains the road number in large white numerals.
Sometimes the name of the state in which the road sign is located is included just above the road number.
Photograph (21KB).
US Highway Marker Shield
A white shield with a relatively complex shape, usually on a black square background, or sometimes with just a thin black border. The white shield contains the road number in large black numerals.
Derivation of Name
From Amerigo Vespucci, an Italian explorer.
USA - General
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Most recently modified 19-Apr-02