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Water-quality investigation of the Yellville watershed, Arkansas
T.E. Lamb, C. Sue Williams
1978, Open-File Report 78-904
The results of a 1-year study of surface-water quality in the Yellville watershed are presented to document conditions before implementation of Soil Conservation Service programs. Analyses of samples collected at three sites showed that water in Town Branch and East Prong Branch was of good quality except for bacteria, total...
Mallets Creek Marsh, Lake Champlain: A plant-nutrient study
John T. Turk
1978, Open-File Report 78-462
Nitrogen and phosphorus dissolved in the interstitial water of Mallets Creek Marsh sediments supply about 42 percent of the nitrogen and about 9 percent of the phosphorus used by rooted macrophytes within the marsh. These percentages may become larger during middle and late summer, when water inflow to the marsh...