A double-focusing magnetic field for a spectrometer of the flat type which gives radial focusing to roughly the sixth order, and which utilizes azimuthal variation of the field coefficients, has been devised.

Basic surface-water and precipitation data collected from June 1961 through June 1965 at 10 stations in Lower Little Creek basin of Lamar and Marion Counties, Mississippi, are presented. The U.S. Atomic Energy Commission's Tatum dome site of Project Dribble is in Lower Little Creek basin. The data show a 3.80-inch deficiency in precipiation in the Tatum dome are from April 1964 through June 1965 and an 11.72-inch deficiency from June 1961 through June 1965. The mean monthly discharge at Lower Little Creek (4892.40) was less than the median monthly value during 11 of the 15 months from April 1964 through June 1965. Chemical analyses of water samples collected from five streams in the Tatum Dome area indicate that the water is of generally good quality; for example, dissolved-solids content ranged from 16 to 23 parts per million for samples collected during the period from October 31, 1961, through October 23, 1964. 4 figures, 4 tables.

This document provides details of the Report to the FEDC Working Committee for the period of January to April 1966. N-Reactor fuel development and production is discussed.

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