00898cam a2200253 4500 425438704 TxAuBib 19960522120000.0 920103s1993||||||||||||||||||||||||eng|u 92000760 9780152268206 $14.95 (higher in Canada) 0152268200 $14.95 (higher in Canada) (OCoLC)25200444 TxAuBib Gibbons, Gail. Caves and caverns / Gail Gibbons. San Diego : Harcourt Brace, 1993. San Diego : Harcourt Brace, 1993. 1 v. (unpaged) : col. ill ; 23 x 28 cm. Text and labeled illustrations describe the formation and physical features of various kinds of caves, with a brief section on spelunking. 19960522. Caves. TXGID