Chicanos. Community relations. Denver Juvenile court officials and. Chicano leaders air complaints. Post Ja 23, 1972 p.34 Demand rehiring of Arturo Rodriguez at Columbus Park and firing of Eugene DiManna from City Council. Post Mr 24, 1972 p.24 Chicanos air grievances, give reasons for disturbances near Columbus park. Post Je 29, 1972 p.25 RMN Je 29, 1972 p.82 Rudy Garcia describes his views over recent confrontations in Columbus park. Post Jy 16, 1972 p.31 0