Legislative Technology Services BureauThis polygon data later represents census blocks for Ozaukee County, Wisconsin in 1990. The dataset was originally published by the Legislative Technology Services Bureau on March 21, 2001.[This data layer is a polygon shapefile of the 1990 U.S. Census blocks within the county, derived from the 2000 TIGER Line Files. It is referenced to the Wisconsin Transverse Mercator (WTM) projection system, North American Datum 1983 with the 1991 adjustment (NAD83/91).]Shapefileark:/77981/gmgscr5nc0xengPublicCensus Blocks [Wisconsin--Ozaukee County] {1990}DatasetsWisconsin--Ozaukee CountyWisconsin1990American Geographical Society Library – UWM Libraries