The proposed law would prohibit the use of non-returnable bottles and cans for soft drinks and beer, require refundable cash deposits for soft drink and beer containers, and provide penalties for violation of the law.
Source for Popular Vote data: Michigan Department of Management and Budget, comp., "Official Canvass of Votes, General Election November 2, 1976 Proposal A," Michigan Manual 1977-1978 (Lansing: Michigan Department of Management and Budget, 1976)