Knauer, JosiahA diagram of a small section of a peninsular portion of Alpena Township in Alpena County, Michigan, approved in 1881.JPEG2000a05b6df8-2bb7-435d-b1e1-36b567dbc38eMI-T030N-R009EengDepartment of Natural Resources8888-003Public30N 09E - Survey Map of Alpena Township, Alpena County, Page 2 [Michigan]MapsMichigan--AlpenaT030N-R009E1881