Value of products of manufactures per square mile: 1900. 1. Petroleum refining. 2. Chemicals and allied products. 3. Paper and wood pulp. 4. Printing and publishing. 5. Leather, tanned, curried and finished. 6. Boots and shoes, factory products. (Prepared under the supervision of Henry Gannett, Geographer of the Twelfth Census. United States Census Office, 1903). Julius Bien & Co., N.Y: Twelfth census of the United States, taken in the year 1900. William R. Merriam, Director. Statistical atlas. Prepared under the supervision of Henry Gannett, Geographer of the Twelfth Census. Washington: United States Census Office. 1903

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