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Rocks and Soil ;
by Bill Nye
Publication:
Oakville, Ontario : Magic Lantern Communications Ltd., 1995
. 1 DVD (26 min.)
, Closed captioned for the hearing impaired.
1/4 in.
Date:1995
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(1),
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A handful of soil.
by Simon, Seymour.
Publication:
New York, Hawthorn Books 1970
. 63 p.
22 cm.
Date:1970
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(1),
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Our fragile earth
by Helfman, Elizabeth S.
Publication:
New York, Lothrop, Lee & Shepard Co. 1972
. 160 p.
25 cm.
Date:1972
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(1),
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