Excerpt from Geology of the Corona South Quadrangle and the Santa Ana Narrows Area, Riverside, Orange and San Bernardino Counties, California: And Mines and Mineral Deposits of the Corona South Quadrangle, Riverside and Orange Counties, California The vegetation is Sparse ia the lower country but is commonly dense and difficult or impossible to traverse above the -foot contour. It is the sagebrush type characteristic of the California chaparral life zone. Higher in the mountains there is an abundance of thick brush and a few live oak and pine trees. The common plants include black sage, sagebrush, California holly, elderberry, mountain mahogany and prickly pear cactus. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.