Historical context: "Yalve Sanga" – Pool of the Armadilo – refers today to an Indigenous community and also to a service centre which serves another ten communities of the Central Chaco. Historically it formed a part of the vast habitat of the linguistic family of the Maskoy people, who – as all Chaco people – were hunters and collectors with a specific adaptation to the semiarid environment of the region.
Enlhit Community: In Yalve Sanga, 1.762 inhabitants of the partiality Enlhit have organized in 11 agricultural villages. The community has its own legal capacity and is the legal owner of 6.000 ha landed property. It is administered autonomously by a Community Council, which hires officers for the different services. The economic basis of the community is rather diversified: family orchards, the sowing of cotton, cattle raising, collection of forest produce, casual labour and semi-professional services in the adjacent Mennonite colonies. The community maintains the following services for their members: cooperative store, sowing credits, supply of drinking water, 4 primary schools, health station.
Community Federation: Yalve Sanga is also the meeting place of other indigenous communities of the Central Chaco, which are integrated in the Regional Indigenous Federation of the Central Chaco (FRICC). These communities all have their legal capacity and have at their disposal approx. 120.000 ha of landed property. The FRICC constitutes for them a platform of constant inter exchange and training, and an instrument for the joint protection of their community interests.
Interetnic Cooperation: Yalve Sanga is also the administrative centre of a series of services designated to the 11 communities and maintained in form of mutual cooperation with the Association of Indigenous- Mennonite Association of Cooperation Services (ASCIM). The ONG receives contributions from the National Government, the German speaking Mennonite colonies and the international organizations of co-financing. The ASCIM cooperates in the agricultural extension, in the formal and informal education and in the services of preventive and curative health services.