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Page 6230, results 155726 - 155750

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Publication Extents

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A postglacial chronology for some alluvial valleys in Wyoming
Luna Bergere Leopold, John P. Miller
1954, Water Supply Paper 1261
Alluvial terraces were studied in several major river basins in eastern Wyoming. Three terraces are present along nearly all the streams and large tributaries. There are several extensive dissected erosion surfaces in the area, but these are much older than, and stand well above, the recent alluvial terraces with which...
Reconnaissance for radioactive deposits in the Hyder district, southeastern Alaska, 1949
Walter S. West, Paul D. Benson
1954, Trace Elements Investigations 73
Radioactivity reconnaissance during 1949 in the Hyder district, southeastern Alaska, revealed that radioactive material is widely distributed on the Mountain View property. However, no uranium deposits of commercial value were found in the restricted parts of the district covered by this investigation. Anomalous radioactivity was detected at a number of localities...
Surface adsorption of Cs137 ions on quartz crystals
Stephen Antkiw, H. Waesche, F. Senftle
1954, Trace Elements Memorandum 862
Adsorption tests were made on four large synthetic and three natural quartz crystals to see if surface defects might be detected by subsequent autoradiography techniques. The adsorbent used was radioactive Cs137 in a solution of Cs 137Cl. Natural quartz crystals adsorbed more cesium than the synthetic crystals. Certain surface defects...