Excerpt from Directory of Field Activities of the Bureau of Plant Industry Practically every major project of the bureau has its ramifications in one or more of the three groups of field activities. In fact, it is safe to say that fully 60 per cent of all the investigative work is in the field. 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.