Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
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Сторінка 272
... needed . Whether a particular geological survey should itself undertake this mapping depends upon circumstances . If an- other Government organization is equipped for doing this work and can provide maps of the requisite quality when needed ...
... needed . Whether a particular geological survey should itself undertake this mapping depends upon circumstances . If an- other Government organization is equipped for doing this work and can provide maps of the requisite quality when needed ...
Сторінка 273
... needed . Cooperation between geologists and topographers is apt to be both closer and more flexible than it would be if the two staffs were in separate organizations . Finally , the field work in topography and geology is in some ...
... needed . Cooperation between geologists and topographers is apt to be both closer and more flexible than it would be if the two staffs were in separate organizations . Finally , the field work in topography and geology is in some ...
Сторінка 519
... needed and irrigation is not needed . Lands can be found in all of these States which are not swampy , but in which a high water table requires that they be drained in order to fit them for other use than pasture or meadow or forest ...
... needed and irrigation is not needed . Lands can be found in all of these States which are not swampy , but in which a high water table requires that they be drained in order to fit them for other use than pasture or meadow or forest ...
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Bureau of American Ethnology | 17 |
Report on the United States National Museum | 25 |
EXECUTIVE COMMITTEE AND REGENTS | 100 |
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