ScienceJohn Michels (Journalist) 1955 |
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Стр. 583
... Recent Geology of Cane Wash , Monument Valley , Arizona EXPLANATION Pre - pottery Recent alluvium Fig . 1. Diagrammatic. Among the major problems in the Colorado River drainage basin are soil erosion , arroyo cutting , and sediment load ...
... Recent Geology of Cane Wash , Monument Valley , Arizona EXPLANATION Pre - pottery Recent alluvium Fig . 1. Diagrammatic. Among the major problems in the Colorado River drainage basin are soil erosion , arroyo cutting , and sediment load ...
Стр. 584
... Recent Deposits The oldest deposits recognized ante- date the Anasazi occupation and are of three kinds : alluvial fans , sand dunes , and alluvium . Also recognized are post- occupation eolian sand , alluvium , and lake beds . The ...
... Recent Deposits The oldest deposits recognized ante- date the Anasazi occupation and are of three kinds : alluvial fans , sand dunes , and alluvium . Also recognized are post- occupation eolian sand , alluvium , and lake beds . The ...
Стр. 688
... Recent runs of ivory material from the same Sandia level tested by H. R. Crane at the University of Michigan have ... recent origin . Archeological finds associated with this level are Pueb- loan in date and represent sporadic oc ...
... Recent runs of ivory material from the same Sandia level tested by H. R. Crane at the University of Michigan have ... recent origin . Archeological finds associated with this level are Pueb- loan in date and represent sporadic oc ...
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SIT MINN | 55 |
News of Science New Affiliate of the AAAS Soviet Invitation International Observatory Program | 65 |
Book Reviews Clinical versus Statistical Prediction Pharmacology in Medicine Standard Values | 79 |
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