A heritage dataset of soil and water salinity in Bardenas, Spain.

This article presents the results of soil and water analysis plus the plans -or "maps"- from the Report [1] issued 1974 on salt-affected soils in a new irrigation district located in the semi-arid Bardenas area of Aragón, northern Spain (Fig. 1). The survey was carried out by the now defunct Institute for Agrarian Reform and Development (i.