Map. Rix Robinson Trading Post Site, Sec. 28, T7N, R10W, Ada Township, Kent Co. Survey by Edmond P. Gibson, G.R. Shows the Niles Farm plat on Grand River Drive (Robinson Rd.) and with the Grand River on the opposite border. The Ada Cemetery is across the road. Also shown is Fulton St./ M-21, and the Grand Trunk RR. Tracks south of this highway. A portion of Pettis Road is seen in the upper right corner. Photocopy. Source unknown. Undated., Box: 5, Folder: 1. Rix Robinson collection, Collection 295. Grand Rapids History Center. https://archive.grpl.org/repositories/4/archival_objects/173691 Accessed November 23, 2024.