This image is protected by Crown Copyright because it is owned by the Australian Government or that of the states or territories, and is in the public domain because it was created or published prior to 1974 and the copyright has therefore expired. The government of Australia has declared that the expiration of Crown Copyrights applies worldwide. This has been confirmed by correspondence received by the Volunteer Response Team (Ticket:2017062010010417).
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to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.