379 STRELETSKII 



has advanced the idea that four types, ice, humid, arid and sedi- 

 mentary, are involved in sedimentary rock formation. 



In 1960 Strakhov was awarded the Red Banner of Labor. 

 Bibliography: 



Domanik Facies of Southern Urals. Moscow: 1939. 



Iron Ore Facies and Their Analogies in the Earth's History. 



Moscow: 1947. 



Basis of Historical Geology, 3rd ed., 2 parts, 1948. 



Lime -Dolomi tic Facies of Contemporary and Ancient Basins. 



Moscow: 1951. 



Historico-geological types of sediment deposition. Izvest. 



Akad. Nauk S.S.S.R., Ser. Geol., 1946, #2. 



On the periodic and irreversible evolution of sedimentation 



in the history of the earth. Izvest. Akad. Nauk S.S.S.R., Ser. 



Geol., 1949, #6. 



and others . Sediment Deposition in Contemporary Basins. 



Moscow: 1954. 



Types of sedimentation, and formation of sedimentary rocks. 



Izvest. Akad. Nauk S.S.S.R., Ser. Geol., 1956, #5 and #8. 



On theoretical lithology and its problems. Izvest. Akad. 



Nauk S.S.S.R., Ser. Geol., 1957, #11. 

 Office: Geological Institute of USSR Academy of Sciences 



Pyzhevskii Pereulok, 7 

 Moscow, USSR 

 Residence: Novopeschanaya, 3 



Moscow, USSR 

 Telephone: D7 51 78 



STRELETSKH, NIKOLAI STANISLAVOVICH (Structural 

 Engineer) 



N. S. Streletskii was born September 14, 1885. In 1911 he 

 graduated from the Petersburg Institute of Engineers of Com- 

 munication Lines. In 1915 he taught at the Moscow Technologi- 

 cal College where he became a professor in 1918. In 1933 he 

 was made a professor at the Moscow Institute of Construction 

 Engineers. He has been a member of the U.S.S.R. Academy of 

 Construction and Architecture since 1956, and was elected to 

 the U.S.S.R. Academy of Sciences as a Corresponding Member 

 in 1931. In 1944 he was awarded the title of Honored Scientist 

 of the R.S.F.S.R. 



In 1918-30 Streletskii organized and directed experi- 

 mental investigations of bridge structures. He is the author of 

 a static theory of the construction safety factor, the study of 

 processes of destruction of steel structures and other questions 



