TY  - BOOK
AU  - Kopp,Megan
TI  - Sinkholes
T2  - Earth sciences
SN  - 9781621279556 (hard cover)
U1  - 551.447 KOP 
PY  - 2014///
CY  - New York, NY
PB  - AV2 by Weigl, 
KW  - Soils
KW  - Juvenile literature
KW  - Sinkholes
N2  - "What causes sinkholes to form?  Can scientists predict where they might appear?  What are some of the biggest sinkholes in the world?  Find the answers to these questions and more in Sinkholes, an AV2 Media enhanced book." --cover
UR  - www.av2books.com
ER  -