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ground photography, made considerable progress during the fourth year of the Plan. It was equipped with a workshop, warehouses, archives and a laboratory. The institute has now more than 100,000 aerial and ground photographs and the work of captioning the geographic loca- tions on the pictures has been partly completed. The institute will soon have a laboratory for copying photographs. In the field of hydrometry, pigels have been installed in river Kabul and its tributaries to determine the level of water in different seasons. To utilise under- ground waters in areas where pure drink- ing water is not available a number of deep wells have been dug with consider- able success and orders have been placed with various firms to supply the necessary equipment. Geological surveying in co-operation with the German Technical Assistance Mission continues in the south-east and south-west regions and studies were made, especially in the south-east regions, in order to find geological structures con- taining oil and natural gas. Likewise investigations were continued on radioactive material with the assistance of the French Atomic Energy Experts. The Institute has employed a number of promising young men and is sending four of them to study geology and hydrology abroad. Other mines throughout the country have been surveyed and arrangements have been made to supply the oil prospecting organisation in northern Afghanistan with local minerals which they need. Studies were continued in co-operation with Soviet technicians to find out the extent of iron deposits in the country and the economic conditions under which they should be exploited. An extensive programme has been prepared to train mining personnel both in Afghanistan and abroad and 22 students have been sent to various countries for further training. A model wearing a dress made of the fabrics woven in Feroz Factory. the oil prospecting both areas were equipped with repair workshops for motor vehicles and a laboratory was established in Mazarisharif to analyze various crude oils. Production of coal at Aishpushta and Karkar mines was increased by mechanisation. One generator, with a capacity for 250 kilowatts was installed for each of the two mines. Miners were provided with houses and seedlings were planted around the mines in order to provide timber for the mines in the future. Studies were made in a vast area between Mazarisharif and Herat to try to deter- mine the extent of coal deposits in the country with a view to preparing the next five-year economic plan. The Institute of Geological Survey, which has departments for geology, minerology, paleontology, aerial and 37