Soil QualityBook - 2008
Although soil may seem plentiful, it can be polluted and depleted by natural & human activities. Examine the sources of soil pollution, & discover some of the efforts taken to prevent it.
Publisher: Wynnewood, Pa. : Schlessinger Media, c2008.
Branch Call Number: J DVD 631.4 Soil 21-DAY
Characteristics: 1 videodisc (23 min.) :,sd., col. ;,4 3/4 in. +,1 teacher's guide (5 p. ; 19 cm.).