Provides lessons, stories, and activities to teach students about soil formation, soil science, and soil conservation. Title: Dig In! Hands-On Soil Investigations Author: Levermann, Tom Publisher: Natl Science Teachers Assn Publication Date: 2001/04/01 Number of Pages: Binding Type: PAPERBACK Library of Congress: bl2008020481 Additional Details\N BRAND : Levermann, Tom
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