There are plenty bands with this name.
These are photos from concerts where Howl played, so they may be of other bands that played the concert as well.
Chicago / Howl / Rosicrucian Jul 11 - 12, 1969 Island Park, New York, United States Uploaded by Zimtrim
Canned Heat / Howl / Senaca Jun 20 - 21, 1969 Island Park, New York, United States Uploaded by Zimtrim
