William Maclure's 'Observations on the Geology of the United States of America' is a comprehensive study of the geology of the United States, focusing on the effect of the decomposition of rocks on soil fertility. The book provides valuable insights into the geological makeup of the country, and how it relates to agriculture and land use. Maclure's work is essential reading for anyone interested in the natural history of America. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
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