This map is from pages 38-39 of the April, 1931 issue of World's Work (1900–1932), a monthly magazine that covered national affairs from a pro-business point of view.
pub_note
This map is from pages 38-39 of the April, 1931 issue of World's Work (1900–1932), a monthly magazine that covered national affairs from a pro-business point of view.
Pub Note
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