Data have oeen collected from streams and lakes in the Black.Hills since Dingell-Jonnson funds first became available in 1951..From 1951 tnrougn 1953, tnis data consisted of fish population.measurements, some limnological determinations, and miscellaneous.physical and biological information. Tnese were obtained only.occasionally, because permanent staffing of fisheries personnel.in the area could not be acnieved until 1954. Most of tne information.gathered from 1954 to 1958 was obtained primarily for developing.trout management programs on individual streams and lakes..More intensive stream and lake surveys were conceived in 1958, but.were not actually begun until 1959...Cover and PDF as seperate files.
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