Download or read book The Lewis and Clark Expedition Crossing the Rocky Mountains, Building the Transcontinental Railroad Blasting Through the Sierra Nevadas written by Stacia Deutsch and published by Benchmark Education Company. This book was released on 2011 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Lewis and Clark expedition is trapped in the Rocky Mountains. The explorers are starving. What will the men do to survive? Chang Han and Wen Lin are Chinese laborers building the Transcontinental Railroad. Blasting the rock would be easier and faster than digging. Who will take the new explosive into the tunnel? Read these stories to find out.