Kurt Hourigan, 37, died following a collapse at Ballarat Mine in March that also left a colleague seriously injured. General manager Peter Crooks has now resigned, though the reason for the decision is unclear. Kurt Hourigan, 37, died following a collapse at Ballarat Mine in March that also left a colleague seriously injured. General manager Peter Crooks has now resigned, though the reason for the decision is unclear. Mining and Metals Industry, Unions, Workplace Accidents and Incidents Latest business news