Tonogold Resources Inc. is a mineral exploration company that focuses on the acquisition, exploration, and development of mineral properties in North America. The company's primary focus is on gold and silver properties, but it also explores for other minerals such as copper, zinc, and lead. Tonogold's flagship project is the Comstock Lode project located in Virginia City, Nevada, which is one of the largest and richest silver and gold deposits in the world. The company also has other exploration projects in Nevada, Alaska, and Mexico. Tonogold Resources Inc. is headquartered in La Jolla, California.