This is a great piece. You've touched on the main facts of the matter without cluttering it up with "documentary" style detail and explanation, intriguing the reader who is unfamiliar with the story and, perhaps, prompting further research. The enjambment is especially effective, I think, seeming to come at naturally occurring points so as to be almost unnoticed.
Congratulations too on your Toolangi result. Equal third with no lesser light than David Campbell!...and well deserved too (in his opinion

Cheers, Will.