Transcript -- Coal formation
Earth's physical resources: extracting coal and oil - for iPod/iPhone
English - June 23, 2009 02:10 - 24.2 KB application/pdf - ★★★★ - 2 ratingsCourses Education Science carboniferous energy burn fossil ash charcoal organic fuel power coalfield Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Transcript -- Designing a system of mining to suit the split seams in the Northumberland coal field. Analysing the small detail reveals how it was formed.