Understanding Our Earth - Soil

Series: Understanding Our Earth Series

Duration: 406

Year Published: 1977

Creator: C/O Simon & Schuster Film & Videos

Format: 16mm

Color: B&W

Sound: sound

Description: Explains the soil profile, which consists of topsoil, subsoil, mantle rock and bedrock. Presents a breakdown of the elements of soil and describes the process of soil making, whereby rocks are broken down by erosion and decaying matter changes into humus. Covers the types of soil throughout the United States and the importance of conservation. , L: Limited Access CP: Composite Positive AC: Acetate A: 400' 16/8/9.5mm 16mm Color Sound 406

Complete Record: Explains the soil profile, which consists of topsoil, subsoil, mantle rock and bedrock. Presents a breakdown of the elements of soil and describes the process of soil making, whereby rocks are broken down by erosion and decaying matter changes into humus. Covers the types of soil throughout the United States and the importance of conservation. NOTE: Two (or more) records have been merged together to create this data.

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