Plane in autocad of the great silver. includes city of silver; capital of the province of buenos aires (original design) and its entire periphery; plus the towns of berisso and ensenada. it is a 2d file with complete information: plot; street names; squares and parks; road structure. the city center is a design from scratch; traced in the 19th century (1882) by ing. benoit under a rational geometry; symmetric and based on hygenic concepts. in his time he was avant-garde of the world - presented with the eiffel tower at the same world exhibition.