You are hereHome › DeVere Helfrich Rodeo Photographs › Doyle Greenhouse Calf Roping Summary Full Description Subject(s): Rodeos-Colorado-DenverCalf ropingDenver, ColoradoGreenhouse, Doyle Date Created: 1964 Title: Doyle Greenhouse Calf Roping. Name(s): Helfrich, Devere, photographer Date Created: 1964 Physical Form: Safety film negativeblack and white Extent: 3.25x4.5 in. Identifier(s): Accession Number: 81.023.24074-00 Note(s): January 14, 1964 (Matinee) Subject(s): Rodeos-Colorado-DenverCalf ropingDenver, ColoradoGreenhouse, Doyle In Collections: DeVere Helfrich Rodeo Photographs