Within the framework of the project named Technological Variability and Social Interaction Networks in Northwest Argentina through the study of lithic technology strategies throughout the Formative period (Mercuri 2012) we collected samples of lithic raw materials in different portions of Las Conchas- Guachipas river area (Salta. Argentina) in order to create a reference collection. W... https://edgeclothing.shop/product-category/sunglasses/