1990 Census County Block Map (Recreated): Polk County, Index

Index map for Polk County, Texas showing the distribution of census blocks and smaller inset areas for which the U.S. Census Bureau collected data. The plotted map scale is 1:106,153.
Date: 1990
Creator: United States. Bureau of the Census.
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Trinity County, Index

Index map for Trinity County, Texas showing the distribution of census blocks and smaller inset areas for which the U.S. Census Bureau collected data. The plotted map scale is 1:101,091.
Date: 1990
Creator: United States. Bureau of the Census.
System: The Portal to Texas History