Geological research, geological explorations, geological research, geographical, hydropic studies (Syrdarya, Words, Aral Expeditions ), astronomical observations, the establishment of astronomical observations, the organization of chemical laboratories, primary sources, scientific works were explained in detail and illustrated and complex and scientific works.
Development on the history of Uzbekistan in the XIX - XX centuries The leaders who leaders are designed for higher education institutions. For the first time in this book, in the XIX - the natural science studies in the XX centuries, research created in the natural science was systematized systematically.
