Whelpley, ThomasA survey map detailing islands in the Muskegon River that runs through Sections 12, 13, 21, 22, 23, and 24 of Big Prairie Township in Newaygo County, Michigan. The islands were measured in 1856.JPEG200018f09501-5baa-475c-947a-1fbf906c257eMI-T013N-R011WengDepartment of Natural Resources8888-003Public13N 11W - Survey Map of Big Prairie Township, Newaygo County, Page 3 [Michigan]MapsMichigan--NewaygoT013N-R011W1856