01021cam a2200313 4500 607554142 TxAuBib 19970707120000.0 121112s1988||||||||||||||||||||||||eng|u 88014890 9780896864009 0896864006 (OCoLC)17954259 TxAuBib Keran, Shirley. Underwater specialists / by Shirley Keran ; edited by Anita Larsen. Mankato, MN, U.S.A. : Crestwood House, 1988. 48 p. : col. ill. ; 23 cm. At risk Includes index. Examines the history, techniques, equipment, and dangers of underwater occupations, including salvage divers, lockmen divers, and diving scientists. 19970707. Diving, Submarine. Occupations. Deep diving Juvenile literature. Larsen, Anita. At risk. TXMIT