Heliostar Metals Ltd. May 13 announced the start of a 7,000-meter drill program focused on expanding high-grade gold mineralization and testing new targets at its Unga project in Alaska.

Covering roughly 93 square miles (240 square kilometers) of the Unga and Popof islands off the southern coast of the Alaska Peninsula, the Unga project hosts the historic Apollo and Sitka mines, which produced rou...