Allyn, Ernest H.A survey map of two islands in Silver Lake, within Blair Township in Grand Traverse County, Michigan, measured in 1904.JPEG20009d99b7d3-40cd-4424-9352-1708c865b9ebMI-T026N-R011WengDepartment of Natural Resources8888-003Public26N 11W - Survey Map of Blair Township, Grand Traverse County, Page 3 [Michigan]MapsMichigan--Grand TraverseT026N-R011W1904