"You only have to look across the ocean to see it" You only need to look across any of the Harlem, Hudson, or East rivers to see it. Brooklyn, the Bronx, and m

"You only have to look across the ocean to see it" You only need to look across any of the Harlem, Hudson, or East rivers to see it. Brooklyn, the Bronx, and much of New Jersey follow this development pattern, more or less. San Francisco's population would double at Brooklyn's density.