DescriptionTwin engine Lockheed Silver City plane refuelling in Mount Isa. This plane was owned by Broken Hill Zinc Corporation. It was July 1940, an exploration trip to Burketown or August 1939 for Broken Hill delegates to attend a conference for Australasian Instute of Mining and Metallurgy.RightsPublic DomainCollectionReginald O'BrienSubjectTransport