UMA holds an extensive range of records related to Australia's mining history. These range from the experiences of the gold rush diggers, through to the growth and influence of the 'Collins House' group of companies during the first half of the twetieth century and on to the development of today's corporate giants.

• Collins House
• Essington Lewis
• Western Mining Corporation
• Mount Lyell Mining and Railway Company
• Broken Hill South Limited
• Broken Hill Associated Smelters
• Rio Tinto