(1) What and where is the Gnangara Mound? (bonus: What is the name of the second, smaller Mound to the south of the Gnangara Mound?)
Answer: A large unconfined aquifer, located north of Perth’s Swan River (bonus: Jandakot Mound).
(2) True or false?: The Great Artesian Basin and the Murray-Darling Basin do not overlap?
Answer: False. The southern Great Artesian Basin underlies much of the northern Murray-Darling Basin.
(3) Where in Australia would you find the Windmill Museum?
Answer: Penong, Nullarbor Plain, South Australia.
(4) In 2014, who controversially suggested that Australian scientists should investigate dowsing or water divining to help farmers locate underground water?
Answer: The CSIRO’s (then) incoming Chief Executive Officer, Larry Marshall.
(5) Complete this line from Banjo Paterson’s Song of the Artesian Water: “If the Lord won't send us water, oh, we'll get it from … …”
Answer: The devil.