Sandspring Resources Ltd. announced completion of the acquisition of the rights to a 386-hectare land package located in the Segovia-Remedios mining district of Antioquia, Colombia which includes the historic silver-gold producing Guia Antigua Mine. The Chicharron Project was previously held through an unincorporated joint venture arrangement between Industrias Argentum SAS and a Colombian branch office of a subsidiary of Gran Colombia Gold Corp. Gran Colombia has nominated Lombardo Paredes Arenas, and AAVN Consulting has nominated Federico Restrepo-Solano, both of whom have been appointed to the board of directors effective immediately. Federico Restrepo-Solano is a Colombian business executive with more than 27 years of experience in the mining, oil and infrastructure industries. Currently he is a Partner and Corporate Director of Qvartz Capital Partners. Lombardo Paredes-Arenas serves as Chief Executive Officer of Gran Colombia, and brings over 20 years of corporate leadership and operations management experience in the resource sector in Latin America. Before becoming an independent consultant on energy and environmental project development, Mr. Paredes held several roles with within Petroleos de Venezuela (PDVSA).