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Page 5793, results 144801 - 144825

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Optical method for determining particle sizes of coarse sediment
John R. Ritter, Edward J. Helley
1969, Techniques of Water-Resources Investigations 05-C3
A particle-size analyzer was used to determine particle sizes of sediment by an optical technique based on an adjustable circle of light which determines the intermediate axis of the sediment particles shown on a photograph. Data from counting particles in various size ranges can be presented either in the form...
(RLC-14) Geologic map of the Alphonsus region of the moon
M. H. Carr
1969, IMAP 599
This 1:250,000- scale geologic map is one of a series prepared largely from photographs transmitted by Ranger IX (reproduced in a report by Jet Propulsion Lab., 1966). It depicts the geology of the crater Alphonsus (in which Ranger IX impacted) and...