TY  - BOOK
AU  - Cotton,C.A.
TI  - Valcanoes : as landscape forms 
U1  - 551.21 CPT  
PY  - 1969///.
CY  - New York : 
PB  - Hafner Publishing Company, Inc., 
KW  - Earth science
KW  - Valcanoes--Lava
ER  -