Number of Negro persons by counties of the United States, 1970 /

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Awduron Corfforaethol: United States. Bureau of the Census., United States. Bureau of the Census. Geography Division., United States. Bureau of the Census. Population Division.
Fformat: Government Document Map Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. : U.S. G.P.O., 1973
Cyfres:United States maps. no. 47.
Pynciau: