The new encyclopædia Britannica: in 30 volumes |
From inside the book
Results 1-3 of 18
Page 209
... dunes . Common dune sands have median grain diameters be- tween 0.02 and 0.04 centimetres ( 0.008 and 0.016 inches ) . The maximum common range is between 0.01 and 0.07 centimetres . Most dune sands are well sorted , and a sam- ple of ...
... dunes . Common dune sands have median grain diameters be- tween 0.02 and 0.04 centimetres ( 0.008 and 0.016 inches ) . The maximum common range is between 0.01 and 0.07 centimetres . Most dune sands are well sorted , and a sam- ple of ...
Page 210
... dune that agrees with actual measurements can be derived . In Peru dunes have been observed to move at 30 metres per year ( 100 feet per year ) , and in Cali- fornia rates of 25 metres per year ( 82 feet per year ) have been measured . Dune ...
... dune that agrees with actual measurements can be derived . In Peru dunes have been observed to move at 30 metres per year ( 100 feet per year ) , and in Cali- fornia rates of 25 metres per year ( 82 feet per year ) have been measured . Dune ...
Page 211
in 30 volumes. 385 • 387 Fixed dunes Agriculture on fixed dunes Sandstone compo- nents and colour Forma-. 376 614 360 ... dune and in the Sand Sheets and Sand Dunes 211.
in 30 volumes. 385 • 387 Fixed dunes Agriculture on fixed dunes Sandstone compo- nents and colour Forma-. 376 614 360 ... dune and in the Sand Sheets and Sand Dunes 211.
Common terms and phrases
19th century Africa agriculture American ancient areas army became BIBLIOGRAPHY carpels carpets central centre Christian church communication culture Danish death Denmark dunes early east eastern economic endosperm established Europe European feet Finland fishes flowers forces French fruit genera genus German Iceland important industry Intelsat islands kilometres king land lizards major ment metres miles military Moscow nobility northern Norway organization ovary ovules party peasants percent period petals pitcher pitcher plant plants political population production reforms region reign religion religious republic ritual river Rugby Russian S.F.S.R. Rwanda sacred sacrifice saga sail saints salmoniform salt domes sand sandstones Santalales São Paulo Sarmatians satellite satire Saxifragales sepals ships shrubs social southern Soviet Union species Stalin stamens structure Sweden Swedish taxes territory tion trade traditional trans trees tropical Western