ABSTRACT
GIS maps of census data on immigrants to New York City show that the metropolitan area is now more, not less, segregated than in 1910.
GIS maps of the weather, temperature, and dust storms in the Midwest of the United States show that the famous “dust bowl” of the 1930s was caused not only by the great “plow up” of grassland in the 1920s, but by recurrent and normal dust storms and droughts common to the weather history of the region.
