Yes I noticed the same, Crone is a world class Geophysical Survey company and they no doubt know what there doing when it comes to ground magnetics, gravity, & induced polarization surveys, data collection and interpretations.
Having the Voiseys Bay "ovoid" deposit discovering in their portfolio,with using their survey & detection systems gives me confidence they can do the same at NAN's Maniitsoq project.( find the egg)