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Page 5322, results 133026 - 133050

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Elutriation study of Willamette River bottom material and Willamette-Columbia River water
Joseph F. Rinella, Stuart W. McKenzie
1977, Open-File Report 78-28
Bottom material from the Willamette River was collected and mixed with Willamette and Columbia River waters on May 17, 1977. The elutriate, as well as each sample, was analyzed for selected nutrients, metals, and pesticides. Results show that the average dissolved ammonia, manganese, and zinc concentrations would require dilution by...
Flow routing in the Susquehanna River Basin: Part I - Effects of Raystown Lake on the low-flow frequency characteristics of the Juniata and lower Susquehanna Rivers, Pennsylvania
Jeffrey T. Armbruster
1977, Water-Resources Investigations Report 77-12
A flow-routing model was used to simulate 17 water years of daily streamflows at five sites. The sites were Mapleton Depot and Newport, Pennsylvania, on the Juniata River, and Harrisburg and Marietta, Pennsylvania, and Conowingo, Maryland, on the Susquehanna River. The purpose for the simulations was to determine the effects...
Population ecology of the mallard: IV. A review of duck hunting regulations, activity, and success, with special reference to the mallard
Elwood M. Martin, Samuel M. Carney
1977, Resource Publication 130
This, the fourth in a series of reports on the mallard, (Anas platyrhynchos), deals at length with the harvest of mallards by waterfowl hunters. Long-term summaries of duck hunting regulations (1948- 1974), Migratory Bird Hunting Stamp sales (1934-1974), Hunter Questionnaire (1952-1974), Duck Wing Collection (1960-1974), and Hunter Performance (1965-1972) Survey...