Fun Fact: Mt Gambier. Commercial Flour mills in Mt Gambier built in 1901 to process oats and wheat. Closed in 1975. 12 December 2021 by My DurbanA “Durban Botanical Gardens” image from Flickr – click on the name of the photographer below to see more Durban … Read moreFun Fact: Mt Gambier. Commercial Flour mills in Mt Gambier built in 1901 to process oats and wheat. Closed in 1975.