TY  - BOOK
AU  - Swenson,Valerie
AU  - Hanssen,Raymond E
TI  - A child's book of rocks and jewels
U1  - 553 
PY  - 1955///
CY  - London
PB  - Maxton
KW  - Mineralogy
KW  - Mineral industries
KW  - Rocks
ER  -