The June 1998 election featured only eight land use and environmental measures throughout the state, the lowest since 1986 according to a CP&DR analysis of election returns. Seven of the eight measures were on the ballot in Northern California cities and counties. In the only Southern California ballot measure, voters in San Diego overwhelmingly approved a measure to finance a $216 million expansion of the city's convention center. That expansion had been fought by opponents of downtown redevelopment, who had earlier brought a lawsuit to challenge a different financing plan proposed by the city (See CP&DR, February 1997). The lawsuit is currently pending before the California Supreme Court, which heard oral arguments on the case in June. In San Francisco, Mayor Willie Brown's plans to use City Hall after its remodeling and redevelop the former Naval facility at Treasure Island were reined in by voters. Brown had originally said he wanted to move only 700 of the 1,300 city employees back to City Hall when its earthquake renovations were completed, but voters disagreed. Later plans called for moving 1,100 employees back. Brown's plans for the redevelopment of Treasure Island are now affected by Measure K, which places rules on conflict of interest and competitive bidding on the project and prohibits casino and card club gambling on the site. The measures were sponsored by political consultant Clint Reilly and State Senator Quentin Kopp, both of whom are considered political challengers to Brown in 1999. In El Dorado County, which has seen fierce battles in recent years over development issues, a measure to limit housing density and give voters a chance to weigh in on three large projects was defeated. (See related story). One ballot measure in the Central Valley failed by the narrowest of margins. Measure ii in Sutter County would have raised the sales tax by a 1/2 cent to finance additional repairs of levees. The agricultural county was hard hit by floods during the winter of 1997, and the federal funding has not covered all the desired repairs. The measure needed 66.7% percent yes votes to pass, but garnered only 65.2%. A similar measure may be placed on the county's November ballot. Santa Clara city voters agreed with their city council and voted to allow Sun Microsystems to build on the site of a former state mental facility that contains historic buildings. Sun plans to restore four of the historic buildings of the Agnews Developmental Center, but opponents wanted more of the buildings preserved. The opponents are expected to continue with a legal challenge to stop the center. In Marin County, Fairfax voters turned down plans to build 45 homes on the site of a former country club. The developer had also promised to donate 14.5 acres of the site for a city park. The land is currently zoned for parkland, and is the only large undeveloped parcel in the city of 7,100. In Sonoma County, Rohnert Park voters refused to change the city's urban growth boundary, which was adopted for a four-year period by a narrow margin in 1996.