Excerpt from Grades of Peat and Muck for Soil Improvement In a more recent publication the peat deposits of the United States have been broadly divided into three major groups, differing in important characteristics and regional relationships to surface vegetation, climatic conditions, and time relations. The geographic limits established for each group must necessarily be arbitrary, and each group unit includes areas of peat of a transitional character. A generalized map of these regions is reproduced in figure 1. The maj or groups of peat land are distinguished from each other as follows. 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.