sentences:  During his time in Parliament he was Associate Minister for the Environment (1987–89), Associate Minister of Justice (1987–90), Minister assisting the Deputy Prime Minister (1988–90), Minister of Conservation (1989–90), and Minister of Local Government (1990).Woollaston was a junior Minister in the controversial Fourth Labour Governments of David Lange & Geoffrey Palmer but never sought at the time (through resignation or public opposition) to distance himself from the Rogernomics policies of that era.In 1990 Woollaston retired from Parliament and was replaced as MP for Nelson by John Blincoe.