TY  - BOOK
ED  - Special Publications Division National Geographic Society.
TI  - Nature's world of wonders
SN  - 0870444395
PY  - 1988///
CY  - Washington D. C.
PB  - National Geographic Society
KW  - Physical geography
KW  - Natural monuments
N1  - Bibliography: p. 199; Includes index
ER  -