U.S. Census Office, Statistics of Pig Iron Produced in the United States...,1860 (1864)

This is a table from the 1864 U.S. Census Office report following the 1860 Census, which shows data on pig iron production in the United States in 1860. We used data from this table to visualize tons of pig iron produced in Union versus Confederate States. The bar graph we created from the data, along with this original table and a recreated table can be found in these spreadsheets.