Reconstrucción histórica y geoespacial de un sector de la ruta alternativa del ferrocarril al Atlántico (años 1871-1873), denominada: “línea de Fajardo”, en un área geográfica asociada con los valles de Orosi y de Ujarrás, Cartago, Costa Rica

This work consists of a historical and geospatial reconstruction, using Geographic Information Systems (GIS), sector the alternative route Costa Rican Atlantic railway called: "Fajardo line", built between 1871-1873 later abandoned. It was promoted by government Tomás Guardia Gutiérrez executed North American contractor Henry Meiggs Keith. At time, this included, geographically, north west colonial valleys Orosi Ujarrás respectively, in province Cartago. research covered compilation documents (historical), inputs, as well identification, analysis, integration, through GIS, construction traces civil works evidence associated anthropic activity, within study area. As result, it possible to geospatially reconstruct original geographic interest, reliable, methodological integration different identified evidence.