Pend Oreille Silica, Inc. (POS)Northern Idaho Cambrian Gold Creek Silica Sand Deposit. Colliers International is proud to offer claims to mine high quality silica sand in the Green Mountain Cambrian Gold Creek Silica Sand Deposit located in Northern Idaho, USA. This brief presentation is designed to acquaint prospective buyers with the silica mining claims held by POS “Mining Claims”.It is summary in nature and is not designed to provide a complete description of the Mining Claims, or the business opportunity and its associated risks. Potential buyers or business partners are expected to conduct their own independent due diligence prior to acquiring or partnering with POS.This Presentation refers to studies on the silica deposit that were completed prior to and subsequent to POS’s acqui