Whelpley, ThomasA survey map detailing islands in the portions of the Thorn Apple River that runs through Caledonia Township in Kent County, Michigan. This survey was completed in 1856.JPEG2000a890d8b0-e055-4b60-bb12-d709347d5e56MI-T005N-R010WengDepartment of Natural Resources8888-003Public05N 10W - Survey Map of Caledonia Township, Kent County, Page 2 [Michigan]MapsMichigan--KentT005N-R010W1856