Through the Grand Canyon from Wyoming to Mexico by E. L. Kolb - Full Text Free Book (Part 4/5)

http://www.fullbooks.com/Through-the-Grand-Canyon-from-Wyoming-to4.html

Here in the river was a cataract, called Lava Falls, so filled with
jagged pieces of the black rock that a portage was advisable. 

---Sent from Steve's iPad...