1990 Census Blocks

This dataset includes census blocks for all 16 counties in the NCTCOG region. These delineations were prepared for tabulation of the 1990 decennial census data.本数据集包含NCTCOG区域内全部16个县的人口普查街区（census blocks）。此类区划边界专为1990年十年一次人口普查数据的汇总制表工作编制。