https://www.miningnews.net/stocks-market-insight/news/1357379/maca-results-in-line-with-revised-guidance
"The company's order book as of February 19 stood at $2.2 billion, which includes $530 million of work from Echo Resources and Emerald Resources, yet to be finalised"
I think Emeralds work is estimated @ $300m, Echo's is $230m