00810cam a2200217 4500 361378182 TxAuBib 20020808120000.0 020808s1993||||||||||||||||||||||||eng|u 92000760 9780152268206 $14.95 (higher in Canada) 0152268200 $14.95 (higher in Canada) DLC DLC DLC TxAuBib Gibbons, Gail. Caves and caverns / Gail Gibbons. 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. 20020808. Caves.