File Isle Royale, 1930-1973 2 folders Box 11 In: Jack Van Coevering Papers, 1928-1978 » Reference file
File Lake levels, 1933-1965 2 folders Box 11 In: Jack Van Coevering Papers, 1928-1978 » Reference file
File Lakes and rivers, Miscellaneous Box 11 In: Jack Van Coevering Papers, 1928-1978 » Reference file
File Lamprey, undated, 1924-1970 4 folders Box 12 In: Jack Van Coevering Papers, 1928-1978 » Reference file