Attachment Document GC521 BHP Billiton 10-Feb-2017 (561.37 KB) Official Title / Block GC521 BHP Billiton 10-Feb-2017 Issued Date Monday, May 1, 2017 - 5:00am Publication Date Sunday, January 1, 2017 - 12:00pm Date for required review Monday, May 1, 2017 - 12:00pm
