Topography:What does it all mean?

[Motiv Girl]

This is one of the aspects of bowling that I believe every bowler that wants to become
a higher average bowler should know about.
This is from the Kegel Library White Papers & Articles.
Some may have read this already,but for those who may have not;enjoy!

http://www.kegel.net/library/foArticles.asp?iKodYazi=51