File Barclay Lake Area, 1974 Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Beaver Island Archipelago, 1973 Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Bennett Lake Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Benzie State Park, 1953 Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Beverly Hills Village Woods, 1964 Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Bois Blanc Is, 1957-1958 Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Bridge Lake Tract, 1963 Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Bridge Valley Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Buckell Valley Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989
File Buckhorn Lake Fen Box 9 In: Michigan Natural Areas Council Records, 1938-2006 (majority within 1952-1990) » Site Files, undated, 1934-1989