A cement plant needs its limestone inside a narrow chemical window, every month, for forty years. A glass maker needs sand with almost no iron in it. A quarry hemmed in by suburbs needs to know how many years of premium rock sit between the pit face and the bo…

Every month, somewhere in Australia, a quarry manager signs off a stockpile number. The accountant books it as revenue and the auditor tests it. Behind that number are a drone flight, a ground control layout, a datum, a geoid model and a processing pipeline. B…

A cement plant needs its limestone inside a narrow chemical window, every month, for forty years. A glass maker needs sand with almost no iron in it. A quarry hemmed in by suburbs needs to know how many years of premium rock sit between the pit face and the bo…

Every month, somewhere in Australia, a quarry manager signs off a stockpile number. The accountant books it as revenue and the auditor tests it. Behind that number are a drone flight, a ground control layout, a datum, a geoid model and a processing pipeline. B…