Malarial deaths US.
Map showing the proportion of deaths from malarial diseases to deaths from all causes. Compiled from the returns of mortality at the ninth census of the United States 1870. By Francis A. Walker. (Julius Bien, Lith., 1874)
David RumseyWalker, Francis Amasa, 1840-1897
1874
1874
U.S.
1:7 200 000