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Madre Tierra was the yearbook record of campus activities carried on during the academic year and was produced by the student bodies of California State Polytechnic College, Kellogg-Voorhis and California State Polytechnic University, Pomona. The University Archives holds 26 volumes published from 1947-1974. No yearbooks were published in 1965, 1966, and 1975. Madre Tierra was replaced by Class of... beginning in 1976.