Relief shown by hachures and spot heights. Cadastral map. Includes ill. of the Detroit Obervatory on lower portion of map. "Engd. by Worley & Bracher." Map shows six city wards, township sections, lot boundaries, buildings and other cultural features, and sections of land annexed by the city. Chronological list of additions provided. 1 map : ; 115 x 191 cm. This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.