Document jB31X297JRDJzN9Oe1KbjRM5

l f \p-in-r il jm 1925 ' 1927 1929 1931 1933 PBOITOOTIOK m .Toas. Bureau of Census Bureau of Mines 130,000 120. oro- 126,000 119,000 116,Opr 105,000 70,000 66,000 56.OPC 56,000* Difference 10,POP 7.00C 11,000 4,000 - Per Cent of Census Firrures 7-3/4 5-1/2 P-1/2 5-3/4 - Lead Industries Association. Bureau of Census report covers 98 companies ta, 1831. Bureau of Mines report covers 6 oeapanies in 1831. N12023