This dataset holds an orthomosaic of 69 aerial photographs acquired by IGN in 1953 under the missions Indochine 094 and 074. The dataset covers the middle and lower part of Stung Chrey Bak Catchment in Cambodia. We orthorectified the scanned images using ground control points from Google Maps and a structure from motion software (SfM). The dataset contains the original aerial photographes from IGN, the ground control points, the production report and the final orthomosaic...