Description: The City of Detroit Water and Sewerage Department (DWSD) and Tetra Tech of Michigan (Tetra Tech) required the classification of impervious features with attribution for the City of Detroit. Extraction of impervious planimetric features from aerial photography was performed in 2D using the Michigan Statewide Authoritative Imagery and LiDAR (MiSAIL) program orthoimagery as the source data set. The project area of interest (AOI) is for the City of Detroit. This classification encompasses the full extent of the City, mapped with a minimum mapping unit of 100 square feet.
Copyright Text: Tetra Tech of Michigan, Detroit Water and Sewerage Department (DWSD)