CALIFORNIA
Town:  Berkeley
    Group:  East Bay Fiddlin' & Pickin'
    When:  Sunday
    Where:  homes
    Mudcatter: Joe Offer
    Contact: East Bay Fiddlin & Pickin
    Date of Info:  Feb 2006
    Other:  various groups simultaneously

Town:  Chico
    Group:  Butte Folk Music Society
    When:  First Saturday, 2-5 pm
    Where:  Upper Crust Bakery on Main Street
    Mudcatter: Open Mike
    Contact: Butte FM Society
    Date of Info:  May 2009
    Other:  
Town:  Chico
    Group:  Butte Folk Music Society
    When:  Second & third Saturday
    Where:  Auggies on Salem Street
    Mudcatter: Open Mike
    Contact: Butte FM Society
    Date of Info:  May 2009
    Other:  
Town:  Chico
    Group:  Butte Folk Music Society Bluegrass Jam
    When:  Fourth Saturday
    Where:  Auggies on Salem Street
    Mudcatter: Open Mike
    Contact: Butte FM Society
    Date of Info:  May 2009
    Other:  
Town:  Chico
    Group:  Butte Folk Music Society Bluegrass Jam
    When:  Monday
    Where:  AHas Beans Coffee Shop
    Mudcatter: Open Mike
    Contact: Butte FM Society
    Date of Info:  May 2009
    Other:  

Town:  Lompoc
    Group:
    When:  second & fourth Wednesday
    Where:  South Side Coffee
    Mudcatter: CarlZen
    Contact:
    Date of Info: July 1999
    Other:

Town:  Los Angeles
    Group:  California Traditional Music Society
    When:  
    Where:
    Mudcatter: jns
    Contact: (818) 342-SONG; California Traditional Music Socy
    Date of Info:  Sept 1997
    Other:

Town:   Los Angeles Area
    Group:  celtic music group
    When:  second Friday
    Where:  
    Mudcatter:  jns
    Contact: (310) 677-5377
    Date of Info:  Sept 1997
    Other:

Town:  Los Angeles area
    Group:  Orange County
    When:
    Where:
    Mudcatter: jns
    Contact:
    Date of Info:  Sept 1997
    Other:

Town:  Los Angeles area/San Pedro/Harbor
    Group:  Los Angeles Area Shanty Sing
    When:  last Friday
    Where:  Whale and Ale, West 7th St
    Mudcatter: Joe Offer
    Contact: LA Shantey Group
    Date of Info:  June 2004
    Other:
http://folkworks.org/folk-happenings/calendar
Town:  Los Angeles area
    Group:  Songmakers
    When:
    Where:  homes
    Mudcatter:  jns
    Contact:
    Date of Info:  Nov 2012
    Other:

Town:&  Los Angeles area
    Group:  shape note music
    When:  first Sunday
    Where:  Eagle Rock
    Mudcatter: jns
    Contact: (213) 254-7707
    Date of Info:   Feb 2006
    Other:

Town:  Los Angeles area
    Group:  shape note music
    When:  third Sunday
    Where:  Mar Vista
    Mudcatter: jns
    Contact: (310) 390-4165
    Date of Info:  Feb 2006
    Other:

Town:  Riverside
    Group:  Riverside Folk Music Society
    When:  third Saturday
    Where:  homes
    Mudcatter:  Jack Mostly Folk
    Contact:&  
    Date of Info:  Dec 1997
    Other:

Town:  Sacramento
    Group:;  Davis Pickers and Singers
    When:
    Where:
    Mudcatter: Joe Offer (also DADGBE & Dick Holdstock)
    Contact:
    Date of Info:
    Other:

Town:  Sacramento
    Group:  Sacramento Labor Chorus
    When:
    Where:
    Mudcatter: Joe Offer
    Contact:
    Date of Info:
    Other:

Town:  Sacramento
    Group:  greater Sacramento area
    When:  Second Sunday, 2-5 pm
    Where:  Auburn (Sharon Carl's House)
    Mudcatter: Joe Offer
    Contact: Joe Offer
    Date of Info: May 2009
    Other:

Town:  Sacramento
    Group:  greater Sacramento area
    When:  Second Friday
    Where:  Sacramento, CA - various locations
    Mudcatter: Joe Offer
    Contact: Joe Offer
    Date of Info:  March, 2006
    Other:

Town:  San Diego
    Group:  San Diego Folk Song Society
    When:  second Saturday
    Where:  St. Andrew's Lutheran Church
    Mudcatter: Joe Offer
    Contact: San Diego Folk Song Society
    Date of Info:  Feb 2006
    Other:

Town:  San Francisco
    Group:  Christene LeDoux
    When:  last Sunday
    Where:  her appartment
    Mudcatter: Christene LeDoux
    Contact: Christene
    Date of Info:  Dec 2001
    Other:  reservation needed

Town:  San Francisco
    Group:  Chantey sing
    When:  first Saturday
   Where: Schooner: C.A. Thayer; Hyde Street Pier
    Mudcatter: Chanteyranger
    Contact: (415) 556-6435
    Date of Info:  Oct 2000
    Other:  reservation needed

Town:  Santa Monica
    Group:  Santa Monica Traditional Folk Music Club
    When:  first Friday
    Where:  Sha'arei Temple on Broadway
    Mudcatter:   jns
    Contact:  (310) 376-8760
    Date of Info:  Sept 1997
    Other:

Town:  Santa Rosa
    Group:
    When:
    Where:  homes
    Mudcatter: Sourdough
    Contact: Sourdough
    Date of Info:   April 2000
    Other:

Town: Grass Valley/Nevada City Group: The Nevada County Song Circle, http://www.ncsongcircle.com/
When: Third Friday of the month, 6:30 PM - 7:30 PM (family time), 7:30 PM - ? (adults)
Where: various locations
Mudcatter: Joe Offer
Contact: Joe Offer
Date of Info: June 2006
Other: