Excerpt from Potential for Economical Recovery of Fuel From Land Clearing Residue in Interior AlaskaA manufacturer of densified fuel logs made from plywood mill residue, located in Grants Pass, Oregon, produced experimental fuel logs using four types of land clearing residue from interior Alaska: black spruce, moss, a mixture of paper birch and aspen, and a mixture of moss and black spruce. The logs were 3 inches in diameter and 10 inches long. People who burned the experimental fuel logs in their home heating systems liked spruce and the mixture of paper birch and aspen, but they generally did not like the moss fuel logs as well as firewood. The moss logs burned slowly, smoked, and left a high proportion as ash. Fuel logs stored in covered but unheated storage over winter tended to decompress during the transition to summer, fuel logs stored in covered, heated buildings did not.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.