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United States Map 7B Base Map with Contours (TUS5363)
USGS's United States Map 7B Base Map with Contours is a political and topographic map all-in-one!
Paper, one-sided wall map.
Projection = Polyconic
Scale = 1:7,000,000
Contour Interval = 1000' topographic
Size = 32" x 22"
- Boundary Type: Political Unit
- Edition of 1916, minor corrections made 1975, reprint 1964, reproduced by electronic color scanning