Ballot Proposition Symbols This is an explanation of the last two columns of the Ballot Proposition Data. The first symbol is a letter indicating the type of measure--for example, a charter amendment or ordinance. The second symbol is a letter indicating how the measure was placed on the ballot--for example, by the Board of Superviors or by initiative petition. These are their meanings: First Letter--The Type of Legislaton B Bond IssueC Charter AmendmentL Lease Revenue Bond IssueO OrdinanceP Policy DeclarationR RecallRM Regional��MeasureT Tax Authority for School DistrictSecond Letter--How it was placed on the Ballot C Charter Commission, elected by the votersI Initiative PetitionL Labor DisputesM MayorR Referendum PetitionS The Board of��Supervisorss Four or more individual��supervisorsse Special, i.e. Board of Education2 By��two��of the above methods

United States Congressional Districts in San Francisco. for time period 2002-2012

As designated by the Department of Elections.

Voting Precincts as determined by the Department of Elections. Redefined in 2012. Based on Census 2010 geography with some exceptions. Precincts are components of other Election districts.

Supervisor Districts for San Francisco for the time period 2002-2012.

Voting Precincts as determined by the Department of Elections. Defined in 2002. Based on Census 2000 geography with some exceptions. Precincts are components of other Election districts.

Supervisor Districts as of the 2012 redistricting. Updated with Board members as of 20 June 2019.

Voting Precincts as determined by the Department of Elections. Defined in 1992. Based on Census 1990 geography with some exceptions. Precincts are components of other Election districts.

Supervisor Districts as of the 2012 redistricting. Updated with Board members as of 20 June 2019.