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01135cam a2200301?a 4500 001 B9D9BE2C2AE511DE9A364A06A8D7520A 005 20200609014621 008 880509s1987 nyua j 00110 eng 010 $a 86050386 020 $a 9780531101377 020 $a 0531101371 040 $a DLC $c DLC $d SILO $d SILO 050 0 $a G587 $b .S36 1987 082 0 $a 919.8/044 $2 19 100 10 $a Sandak, Cass R. 245 1 $a The Arctic and Antarctic / $c Cass R. Sandak. 260 0 $a New York : $b F. Watts, $c 1987. 300 $a 32 p. : $b ill. (some col.) ; $c 29 cm. 440 0 $a New frontiers ; 500 $a Includes index. 520 $a Discusses exploratory expeditions to the earth's polar regions in the twentieth century and the worlds thus opened to geologists, oceanographers, and other scientists. 651 0 $a Polar regions $x Juvenile literature. $x Juvenile literature. 651 1 $a Polar regions $x Discovery and exploration. 939 $a 2204995 941 $a 2 952 $l MDPA423 $d 20201013052044.0 952 $l TRPE062 $d 20090701080000.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=B9D9BE2C2AE511DE9A364A06A8D7520AInitiate Another SILO Locator Search