These state pieces are interchangeable, and there are six sets of shadings from which to choose.

The time required to prepare such a density map, photographing included, is about one hour, compared with eight hours if the shading had been done by a draftsman.

CROSSHATCHED AND COLORED MAPS

N Y New York Hrrald Tribune, September 20, 1938.

A. Racial Minorities in Western Czechoslovakia in 1938.

SCALE .7

The variety of shadings given in this map is particularly interesting, as well as the arrangement of the legend.

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The Seattle Star, March 4, 1938.

B. The Division of the Pacific

SCALE .6

This chart shows a good device in enclosing within black and shaded lines the minutely visible territorial possessions of the United States and Japan respectively.

GRAPHIC PRESENTATION

National Rriourm Board. "Statf Planning, '" 1935. SCALE .7

Regional Plan for Washington, D. C, and Its Environs.

As a plan for Washington, D. C, and the surrounding country, this map ncccsarily includes a great deal of information. Its value here lies not as a map for study, but rather as an example of what can be done on a map in the way of regional planning.

CROSSMATCHED AND COLORED MAPS

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GRAPHIC PRESENTATION