Abstract

The paper is a valuable contribution to the study of infiltrometers and their uses. But some of the results presented are difficult for this writer to reconcile with the findings of a recent study, in which this writer had a pan made by the Los Angeles County Flood Control District. A brief summary of some of those finish and the methods used is presented below, in the hope that the author's closing discussion will explain some of,the apparent differences.The study by the Flood Control District [Brown and Sherman, 1954] included an attempt to evaluate individual basins of the City of Sierra Madre's spreading ground by the use of infiltrometer tests. Early tests used a single‐ring infiltrometer made from a steel barrel of 22‐inch diameter. Surface heads were varied, the maximum being approximately 33 inches. Later tests used an inner ring within the 22‐inch outer ring. Inner ring diameters of 6, 8.5, 10 and 12 inches were used.

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