What mineral exploration companies in the USA have in common
Mineral exploration companies in the USA typically hold claims, run drill programs, and report results under S-K 1300 in the US or NI 43-101 when listed in Canada. Many are juniors with a single core project. Lannister Mining fits this profile with one project, Basin Gulch, in Montana.
The company states that US-based companies with NI 43-101 compliant resources trade at a significant premium compared to their peers.