USCO Drills More High Grade Cobalt US Cobalt Inc. US Cobalt Inc. announces analytical results from a further four surface core holes drilled during 2017 at the Iron Creek project in Idaho, USA. All four core holes encountered sulfide mineralization with significant cobalt values. All widths or thicknesses reported here are true thicknessbased on 3-D modeling. Read More Here: https://uscobaltinc.com/us-cobalt-drills-more-high-grade-cobalt-and-continues-to-extend-mineralization/