OHUEOHI SEA 57 



574. Hooper, C. L. 



1881. Report of the cruise of the U.S. revenue steamer Corwin in 



the Arctic Ocean. Washington, G.P.O. 71 p. illus., fold. 

 tables, chart. (Treas. dep. doc. 118.) 



575. Hooper, C. L. 



1884. Report of the cruise of the U.S. revenue steamer Thomas 



Corwin, in the Arctic Ocean, 1881. Washington, G.P.O. 

 147 p. illus., plates. (Treas. dep. doc. 601.) 



576. International Polar Year expedition, 2d, 1932-33. 



1936. Hydrological observations of marine expedition of the 2d 



International Polar Year 1932/33. Vol. 6-7. East Si- 

 berian and Chukchee seas, Bering Strait and Bering Sea. 

 (In Russian and English.) Ed. by I. A. Kireeva. Lenin- 

 grad-Moscow, Hydrometeorological section of Hydro- 

 graphic department. 180 p. incl. tables. 9 charts. 



577. Karelin, D. B. 



1940. Ledovaia sluzhba v Vostochnom sektore Arktiki v 1939 g. 



(The ice service in the eastern sector of the Arctic in 1939.) 

 Sovetskaia arktika. 1940(4) :39-43. [Photos of ice at 

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578. Khmyznikov, P. K. 



1935. Dreif I'da v Chukotskom More. (Drift ice in Chukotsk Sea.) 



Severn3a morskoi put'. 3:5-20. English summary. 



579. Kotzebue, 0. E. von. 



1821. Eisberge von ausgezeichneter art in Kotzebue's Sund, und 



der nordwestkiiste Americas. Ann. phys. 69:143-148. 



580. Ovchinnikov, I. 



1939. Opyt predskazaniia ledovit'osti Chukotskogo Morfa. (Ex- 



perience in forecasting the ice conditions in Chukotsk Sea.) 

 Met. i. gidrol. 5(4) :89-94. 



581. Piotrovich, V. V. 



1936. Kratkie rezul'taty gidrofizicheskikh nablfQdenii na 1/k "Kra- 



sin". (Summary of the results of the hydrophysical obsnp, 

 on board the "Krasin".) (In: Dupli^kii, D. S., ed. Nau- 

 chnye raboty eksped. na 1 /k "Krasin" v 1935 g. Leningrad, 

 pp. 99-111.) [Includes: Thermal study of surface layer; 

 melting of marine ice; detn. porosity of ice; photographs 

 of ice forms ; formation and structure of ice.] 



582. Protopopov, I. D. 



1936. State of the ice in the Chukchee Sea and Bering Strait in 



1932, observed by the expedition of the AU-Union Arctic 

 Institute on the ice-breaking steamer "Sibiriakov". (In 

 English and Russian.) Hydrol. obsns. mar. exped. 2d 

 Int. Polar Yr. exped. 6 /7 :30-31, 55. 1 fold chart. 



583. Radvillovich, K. A. 



1936 . Meteorologicheskie usloviia raspredelenifS I'da v navigafsifii 



1935 g. V Vostochnom sektore Arktiki. (Meteorological 

 conditions, distribution of ice during the season of navigation 

 1935, in the eastern section of the Arctic.) (In: Dupli£skii, 

 D. S. Nauchnye raboty ekspediisii na 1/k "Krasin" v 

 1935 g. Leningrad, pp. 140-150. tables.) 



