USGS · 70171209
A plane-type soil sampler
Abstract
While studying the effects of pesticides on fish and their environment for the Bureau of Sport Fisheries and Wildlife, I have developed a soil sampler that will collect a thin uniform layer of sediment from pond and stream bottoms. As it is becoming increasingly important to analyze the residual deposits of pesticides in this shallow layer of soil in aquatic environments, it seems useful to describe the apparatus and compare it with other samplers.
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Paul J. Frey. 1963. A plane-type soil sampler. https://doi.org/10.1577/1548-8659(1963)25%5B46%3Aapss%5D2.0.co%3B2
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