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00977nam a2200289 i 4500 001 584217D82AD411DEB2886305A8D7520A 005 20200609014621 008 780110s1977 nyuaf b 00110 eng 010 $a 76056528 020 $a 9780801520075 020 $a 080152007X 040 $a DLC $c DLC $d SILO $d SILO 050 0 $a QH76.5.H4 $b A83 1977 082 $a 333.9/5/097957 100 10 $a Ashworth, William, $d 1942- 245 1 $a Hells Canyon, the deepest gorge on earth / $c by William Ashworth. 260 0 $a New York : $b Hawthorn Books, $c c1977. 300 $a xvi, 246 p., [4] leaves of plates : $b ill. ; $c 24 cm. 500 $a Includes index. 504 $a Bibliography: p. 229-235. 650 0 $a Nature conservation $z Hells Canyon. 651 0 $a Hells Canyon, Oregon. 939 $a 1021924 941 $a 2 952 $l OVUX522 $d 20171228045601.0 952 $l UNUX074 $d 20090701080000.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=584217D82AD411DEB2886305A8D7520AInitiate Another SILO Locator Search