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Earthwatch : space-time investigations with a globe /
by Schwartz, Julius,
Publication:
New York : McGraw-Hill, 1977
. 63 p. :
, Includes index.
26 cm.
Date:1977
Availability:
Copies available:
(1),
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Letting off steam : the story of geothermal energy /
by Jacobs, Linda,
Publication:
Minneapolis : Carolrhoda Books, 1989
. 47 p. :
, "A Carolrhoda earth watch book."
24 cm.
Date:1989
Availability:
Copies available:
(1),
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