I had not heard of this accident at Kapooka in which the soldiers were killed. John Buried beyond history | The Australian
They definitely need to have this on the front page and remembered! I agree, why were they forgotten?
Nice find John, If anyone is interested, an NAA file (control symbol: 51/1/209) shows photos of the "dugout" as well as similar ones the Army used at the time to test how the explosion may have occurred. here's a photo of the dugout where the explosion occurred: Good on the "Strine" for digging up this tragic event. maybe it won't be forgotten again now that it is back in the national psyche.
About time the army did something to remember these soldiers History to honour 'forgotten' Digger tragedy | The Australian