Let's talk rocks.

Buying a claim, scoping a project, or just have a question? Call, email, or send a message below — you'll reach a real geologist, not a call center.

Send us a message

We'll get back to you as soon as we can. For anything urgent, call (530) 258-4228.

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Need us now? Call (530) 258-4228.

📞 Call ✉️ Email

◆ Main Office — California

📍 180 Main Street, Chester, CA 96020
P.O. Box 1956, Chester, CA 96020

📞 (530) 258-4228 · Fax (530) 258-4339

◆ Field Office — Nevada

📍 115 North Main Street, Tonopah, NV 89049

🏔️ Great Basin claims, desert exploration & regional projects.

◆ Hours

🕘 Mon–Fri, business hours (Pacific). Field days happen — leave a message and we'll call back.