The Penoles Property is a 350 square km concession located in the Penoles Mining District, Durango, Mexico. The Penoles Mining District is where the mining company Compania Minera Industrias Penoles was founded 120 years ago and is located near the recent discoveries at Penasquito (Goldcorp) and  Juanicipio (MAG Silver) which are in the same Durango-Zacatecas metalliferous region. The concession has a diversity of deposit types, including the Jesús María Pb-Zn-Cu vein system, San Rafael Ag vein system, El Tubo Au vein System and the El Capitan disseminated epithermal gold system. Riverside completed core drilling at the El Capitan area (News Release October 20, 2008) and since that time has completed mapping, sampling, and targeting on three vein targets that extend over eight kilometers of strike length and have numerous historic mines, workings, and open cuts indicating there could be a number of potential drill targets on Riverside's property.