ScienceJohn Michels (Journalist) 1939 |
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Page 442
... field study of the region with the history of the Pennsylvanian of North America . This plan of procedure is not without its weaknesses , most serious of which is the fact that before the student starts out on his own to observe the ...
... field study of the region with the history of the Pennsylvanian of North America . This plan of procedure is not without its weaknesses , most serious of which is the fact that before the student starts out on his own to observe the ...
Page 509
... field season , geologic work was conducted by the Federal Survey in Colorado in coop- eration with the Colorado Geological Survey and the Colo- rado Metal Mining Fund . The following projects were in progress this season : Geologic ...
... field season , geologic work was conducted by the Federal Survey in Colorado in coop- eration with the Colorado Geological Survey and the Colo- rado Metal Mining Fund . The following projects were in progress this season : Geologic ...
Page 528
... field of inter- est of the committee and indicates the nature of the basic needs of American archeology which will be studied in its future deliberations . Mimeographed copies of this preliminary report may be obtained from the Division ...
... field of inter- est of the committee and indicates the nature of the basic needs of American archeology which will be studied in its future deliberations . Mimeographed copies of this preliminary report may be obtained from the Division ...
Contents
40 | 4 |
Fishes Viviparous Cyprinodont C L TURNER | 42 |
ADAMS R W A Noyes Laboratory of Chemistry_71 | 65 |
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