Except as otherwise noted: the content of the Switchback Theory and Principles pages and the ideas and concepts expressed therein are the original work of J. Johnson, and are copyrighted under the laws of the United States of America. All rights are reserved.
If you find this work, and particularly the definition of switchbacks ("reversed traverses connected by means of a turn or wye") of sufficient interest to quote, please do so. BUT: please also give credit by acknowledging this as the work of J. Johnson, and providing the URL to these pages.
For other uses, or if you have any other questions about this material, you may contact me at jj@scn.org.