Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications

Author: United States. Superintendent of Documents

Publisher:

Published: 1985

Total Pages:

ISBN-13:

DOWNLOAD EBOOK

February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index


Our Good Earth

Our Good Earth

Author: Hudson, Berman

Publisher: Algora Publishing

Published: 2020-05-01

Total Pages: 258

ISBN-13: 1628943971

DOWNLOAD EBOOK

Soil is essential to human life, but we pay little attention to this miracle of nature. The author explains the science and the importance of soil, what it is and what it does, with a description of how soils have evolved over the past 3.5 billion years.