File Secondary Pop. Trem., Betula alba -- Aqate Harbor Trail, Keweenaw. Peninsula., Mich. Box 1 Online In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » General
File Stumps of former (Acer) maple forest L Hancock, Mich. Box 1 Online In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » General
File Succession of Mosses on Isle Royale Box 1 Online In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » General
File Sunset. Lake Michigan., 1910 Box 1 Online In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » General
File Thuja with roots from buried trunk Charlevox, Mich. Box 1 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » General
File Wind sweeps thru perched dunes. So. Fox Is. Mich. Showing gravel in floor of sweep Box 1 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » General
File W.J Cribbs camp at Point Betsie, Mich. Box 1 Online In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » General
File Wreck at Robinson's Folly. Mackinac, Mich. Box 1 Online In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » General
File Ecological Field class Bay View, Michigan, 1915 Box 1 In: Henry Chandler Cowles lantern slide collection, 1898-1936 » Michigan Photographs » Bay View