01028cam a2200253 4500 243215886 TxAuBib 20010117120000.0 810714s1981||||||||||||||||||||||||eng|u 9780866251679 0866251677 TxAuBib Gregory, O. B, 1940-, (Olive Barnes.) Salt [BOOK] / written by O.B. Gregory ; illustrated by Denis Wrigley. Windermere, Fla. : Rourke Publications, 1981. 24 p. : col. ill. ; 21 cm. Easy reading information series Discusses the importance of salt and describes the mining and processing rock salt which is used in industry and agriculture and the manufacture of table salt which originates in brine pumped from the ground. 20010117. Salt Juvenile literature. Salt. Wrigley, Denis, ill. Easy reading information series.