You are hereHome › DeVere Helfrich Rodeo Photographs › John Costa off Thump Thump (R) Summary Full Description Subject(s): Rodeos-California-San FranciscoBull ridingSan Francisco, CaliforniaCosta, JohnnyBulls-Thump Thump Date Created: 1963 Title: John Costa off Thump Thump (R). Name(s): Helfrich, Devere, photographer Date Created: 1963 Physical Form: Safety film negativeblack and white Extent: 3.25x4.5 in. Identifier(s): Accession Number: 81.023.22718 Note(s): October 28, 1963 Cow Palace (Nite) Subject(s): Rodeos-California-San FranciscoBull ridingSan Francisco, CaliforniaCosta, JohnnyBulls-Thump Thump In Collections: DeVere Helfrich Rodeo Photographs