File Collecting caddis larvae, Rudolph Johnson, White Cloud, January 1938 Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Insects
File Dragon flies, September 1940 Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Insects
File Hawk moth on Au Sable River, June 21, 1942 Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Insects
File Mayfly, June 1948 Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Insects
File Io moth, June 1951 Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Insects
File Round Lake, north of Charlevoix Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Lakes
File Disappearing lakes, Upper Peninsula Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Lakes
File Grand Traverse County, filled lake on U.S. 131 near Fife Lake, July 30, 1933 Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Lakes
File Half Moon Lake on Jewell property near Bitely, Newaygo County, 1928 Box 19 In: Jack Van Coevering Papers, 1928-1978 » Photographs » Negatives: Michigan subjects » Lakes