The Encyclopedia Americana, Volume 7Grolier, 1988 - Encyclopedias and dictionaries |
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Page 133
... plant tissues that flourished several hundred mil- lion years ago . Apparently the plants partially decayed and then were covered , preserved , and ultimately compacted by the other sediments that were deposited upon them . Although ...
... plant tissues that flourished several hundred mil- lion years ago . Apparently the plants partially decayed and then were covered , preserved , and ultimately compacted by the other sediments that were deposited upon them . Although ...
Page 143
... plant for studying the Hygas process was put in operation in Chicago , Ill . This plant could produce 1.5 million cubic feet ( 42,000 cu meters ) of SNG per day from 75 tons of coal per day . In 1973 , it became the first plant in the ...
... plant for studying the Hygas process was put in operation in Chicago , Ill . This plant could produce 1.5 million cubic feet ( 42,000 cu meters ) of SNG per day from 75 tons of coal per day . In 1973 , it became the first plant in the ...
Page 580
... plant . A few , such as the junipers , may be dioecious , bearing the male and female cones on separate plants . The rather inconspicuous male cones consist of closely overlapping scales ( microsporophylls ) borne on a central axis ...
... plant . A few , such as the junipers , may be dioecious , bearing the male and female cones on separate plants . The rather inconspicuous male cones consist of closely overlapping scales ( microsporophylls ) borne on a central axis ...
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Bibliographic information
| Title | The Encyclopedia Americana, Volume 7 The Encyclopedia Americana, Grolier Incorporated, ISBN 0717201198, 9780717201198 |
| Contributor | Grolier Incorporated |
| Publisher | Grolier, 1988 |
| Original from | the University of Michigan |
| Digitized | 11 Mar 2006 |
| ISBN | 0717201198, 9780717201198 |
| Export Citation | BiBTeX EndNote RefMan |