Milwaukee County GIS & Land Informationgreyscale non-ortho-rectified vertical aerial photography covering Milwaukee County Wisconsin - captured March 1990 - resolution of approx. 12 inches per pixel - 9 inch x 9 inch 1:19,200 prints were scanned at 1800 pixels per inch and georeferenced via third-order polynomial transformation using ortho-rectified imagery as referenceImageryhttps://hub.arcgis.com/datasets/109ed072110b4774a4475951f49877f4engMilwaukee County GIS DownloadPublicAerial Photo [Wisconsin--Milwaukee County] {1990}ImageryWeb servicesWisconsin--Milwaukee CountyWisconsin1990