Thematic maps showing various aspects of the United States population as ofthe census of 1850. Published in Petermann's Geographische. Of particularinterest is the Plate 11, showing relative density of slaves as of 1850 as thisperhaps served to ins
4/3/2019 11:58:15 AM
Date: 1855
Subject: Coast and Geodetic Survey
Subject: Historical Cartography