"Statistical atlas of the United States based on the results of the ninth census 1870 : with contributions from many eminent men of science and several departments of the government" . . . . . "Reference works" . . "Maps"@en . . . . . "Statistical atlas of the United States based on the results of the ninth census 1870 with contributions from many eminent men of science and several departments of the government"@en . . "Census data"@en . "Census data" . . . "Statistics"@en . "Statistics" . . . . "1870" . . "United States" . . . . "United States. Census Office. 9th census, 1870." . .