At the same time the Blue Ridge and the Bull Run Mountain shielded most of the Confederates." "Longstreet and Lee had to move through Thoroughfare Gap to join Jackson and attack Pope. That gap, carved through the resistant quartzite of Bull Run Mountain by Broad Run's waters, is a focal point of this account."--BOOK JACKET.

Explore the stark beauty and complex science of arid regions with A. S. Walker's "Deserts: Geology and Resources." This meticulously prepared edition delves into the geological formations, environmental science, and potential resources hidden within these often-hazardous landscapes. From the examination of desert environments to the exploration of their unique ecosystems and habitats, Walker offers a comprehensive look at these fascinating areas. Discover the enduring appeal of this classic study as it meticulously examines the geology of deserts. Learn about the formation of these landscapes, and how their unique characteristics influence the world around them. "Deserts" is an essential resource for anyone interested in earth sciences, environmental studies, and the natural world. A valuable addition to any science collection, this book offers enduring insights into arid regions. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.