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A detailed reconstruction of flow lines based on tectonic origin , i.e. , they represent primary downfaulted striae , grooves , and other glacier markings ...
... and the transported by the moving ice and deposited at the base landforms produced are destructional in origin . of the glacier or along its margin .
Essentially nothing is known about the origin and evolution of the group . The remaining two subdivisions of the gymnosperms , the Cycadicae ( cycadophytes ) ...
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LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review