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This paper analyses the petroglyphs from Curapil site, located on the northern piedmont of the Somuncurá plateau. The objective is to characterize motifs and their contexts, and to compare them with the rock art from the plateau in order to evaluate mobility paths and the occupational redundancy of sectors with different water availability. Results point towards weak links with sites from the eastern portion of Somuncurá plateau. Future studies of recently detected sites on the western portion may determine their relationships with Curapil. Although all the analysed contexts bear signs of reoccupation, these are stronger in Somuncurá, where water sources are more punctually distributed than in the piedmont. Despite these intensity differences, Curapil may be considered as a place that persisted until present times. [ABSTRACT FROM AUTHOR]

The objective of this paper is to provide new data about prehispanic occupations in the vicinity of the Sauce Grande shallow lake (Monte Hermoso, province of Buenos Aires). The results of the research about the Laguna Sauce Grande II and Laguna Sauce Grande III archaeological sites are presented. Furthermore, the subsistence, technology and mobility of hunter-gatherers during the late Holocene are discussed. In relation to subsistence, the abundant record of Amarilladesma mactroides (yellow clam) remains is a remarkable fact, which indicates that this bivalve was transported for 6 km from the Atlantic coast and used as foodstuff. The estimated size of the shells retrieved demonstrates homogeneity in selecting adult individuals. In regard to technology, 12 different rock varieties from diverse sources were identified, which means there were various transportation distance ranges involved. The artifacts were produced by knapping and by picking; those intended to resource processing are predominant. The material evidence, particularly that of archaeofaunae, presents novel information for the Pampean region. [ABSTRACT FROM AUTHOR]