M Blue council names indicate that the council no longer exists, either through merger or name change. Council HQ city state formed closed OA scan key Mahoning Valley 466 Canfield OH 1913 1993 396 S-1 Many Waters 200 Owensboro KY 1994 1994   S-1 Marin County 035 San Rafael CA 1923   533 T-1 Mason-Dixon 221 Hagerstown MD 1956   317 T-1 Mass Bay Federated Councils 850 Peabody MA 1976 1979   S-1 Maui County 102 Wailuku HI 1941   554 S-1 Mecklenburg County 415 Charlotte NC 1942   459 S-1 Miami Valley 444 Dayton OH 1949   495 T-1 Mid America 326 Omaha NE 1966   97 S-1 Mid-Iowa 177 Des Moines IA 1970   450 T-1 Middle Tennessee 560 Nashville TN 1949   111 T-1a Midnight Sun 696 Fairbanks AK 1960   549 S-1 Milwaukee County 629 Milwaukee WI 1921   231 S-1a Minsi Trails 502 Lehigh Valley PA 1969   044 T-1 Minuteman 240 Stoneham MA 1959 1993 261 T-1 Mission 053 Santa Barbara CA 1929 1994 90 T-1 Mississippi Valley 141 Quincy IL 1993   37, 80, 136 S-1 Mo-Kan Area 306 Joplin MO 1936 1994 91 S-1 Mobile Area 004 Mobile AL 1921   322 T-1a Moby Dick 245 New Bedford MA 1972 2001 124 S-1a Modoc Area 494 Klamath Falls OR 1937 1993 437 S-1 Mohegan 254 Worcester MA 1955   525 T-1 Mohican 378 Glenn Falls NY 1927 1999 48 T-1 Monadnock 232 Gardner MA 1924 1994 329 T-1 Monmouth 347 Oakhurst NJ 1921   71 S-1 Montana 315 Great Falls MT 1973   300 S-1a Monterey Bay Area 025 Salinas CA 1934   531 T-1a Moraine Trails 500 Butler PA 1973   168 T-1 Morris-Sussex Area 343 Denville NJ 1924 1999 54 T-1 Mound Builders 454 Middletown OH 1933 1985 145 T-1 Mount Baker Area 603 Bellingham WA 1929 1993 325 S-1a Mount Diablo 023 Walnut Creek CA 1951 1992 468 T-1a Mount Diablo Silverado 023 Pleasant Hill CA 1992   58 S-1a Mount Rainier 612 Tacoma WA 1948 1993 348 S-1 Mount Whitney Area 054 Visalia CA 1929 1992 102 S-1a Mountaineer Area 615 Fairmont WV 1929   550 S-1a Mt. Baker SA-1 and SA-2 were issued by Mount Baker Area #603. 606 Bellingham WA 1993   338 S-3 Mt. Lassen Area 036  Chico  CA  1924 1992 485    T-1 Muskingum Valley 467 Zanesville OH 1957   424 S-1a