Excerpt from Ras Gemsah Gebel Zeit, 1887: Report on Their Geology Petroleum A very large collection of Specimens made during the course of my reconnaissance, illustrates the geology of the region and, at the same time, bears witness to the various kinds of indications of petroleum that were discovered. 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.