sentences:  The agency, or its predecessors including the Public Service Commission, have been charged with a wide variety regulatory duties, encompassing industries as diverse as timber rafting to intrastate rail and bus service.The present commission was reestablished in 1987 as a three-member panel, replacing the office of the Public Utility Commissioner, as a result of voters' passage of a statewide ballot measure in November 1986.The new panel's first three members, all appointed by Governor Neil Goldschmidt, were Charles Davis, who had already been serving as acting Commissioner since January 1987; State Senator Nancy Ryles and Paul G. Cook.