Knauer, JosiahA supplemental survey map pertaining to the peninsular portion of Alpena Township in Alpena County, Michigan, approved in 1929.JPEG200031cf08ad-2a95-4230-8799-5b8d53105ec9MI-T030N-R009EengDepartment of Natural Resources8888-003Public30N 09E - Survey Map of Alpena Township, Alpena County, Page 3 [Michigan]MapsMichigan--AlpenaT030N-R009E1929