File Lake Michigan Islands Box 10 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Leelanau Tip Dune Tract 2 folders Box 10 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Lime Lake Fen Box 10 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Lower Huron Metropark Floodplain Box 10 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Mt. Meadow Box 10 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File MacCurdy Ecological Tract Box 10 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Macomb Community College Nature Preserve Box 10 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Middlebelt Prairie Box 11 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Miller Woods Box 11 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Muskegon State Park Box 11 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989