DavidB4-bot
→Links: Spelling, Grammar, and General Cleanup
13:37
Tzoran
no edit summary
04:23
Ed Poor
category:geology
14:53
+22
CPalmer
cat
20:10
+20
What is renewable energy?
14:20
+24
copying verbatim from US gov't public domain source
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+428
Africa's Rift Valley: Geothermal Gold Mine
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+149