The modeling domain for this analysis encompasses most of the eastern U.S., bounded on the east by the 67 degrees west longitude and on the west by the 99 degrees west longitude.
This analysis covers a broad portion of the Eastern United States.
This analysis covers a broad portion of the Western U.S.
A girl is wearing a pretty frock
This picture of a dog is in color, not black and white.
A person is wearing shorts
Late at night.
A person sitting.
In the middle of the 1800's most federal employees were accounted for by the system.