Editing Side friction roller coaster (section)

==Notable installations==
*[[Leap the Dips]] at [[Lakemont Park]] in [[Altoona, Pennsylvania]].  Opened in 1902, Leap the Dips is the oldest roller coaster in the world and the last remaining side-friction roller coaster in North America. It was out of service from 1985 to 1999.<ref>{{Cite web |url=http://pabook.libraries.psu.edu/palitmap/Coaster.html 
|url-status=dead 
|archive-url=https://web.archive.org/web/20150528013722/https://pabook.libraries.psu.edu/palitmap/Coaster.html
|archive-date=May 28, 2015
|title=Leap-the-Dips: A Thrill From the Past |author=Todd W. Fornwalt |publisher=[[Penn State University]] |year=2010 |accessdate=May 14, 2015}}</ref>
*Slope Shooter at the [[Higashiyama Zoo and Botanical Gardens]], built in 1961. It has a long, winding layout, and has troughs made of steel and concrete.