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For the period of 1981-1992 , the large-scale spatial distribution of nitrate concentration did not show significant change in the shape of spatial surfaces ; while the magnitude of nitrate concentration in the basin , or height of the computed surfaces showed significant fluctuations . Men and women using VA facilities showed similar levels of satisfaction with the care received . It is unclear if Reber and Squire 's patients with diencephalic versus hippocampal lesions showed similar patterns . After sinking to a low level at the end of 1929 and throwing something like three million men upon the streets , the industrial indices showed measurable signs of improvement .