Orthoimage June Year 19 990.5 m.

Mosaic of orthoimages obtained by rectification of aerial images, within the visible spectrum, on digital model derived from cartography 1:5,000.该数据集为正射影像（orthoimage）镶嵌图，以源自1:5000比例尺制图的数字模型为基准，对可见光波段范围内的航空影像完成正射纠正后拼接制成。