Soil data release of U.S. Geological Survey Bulletin 1590, collected across the Western United States between 1975 and 1983
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In 1978, the late Denis Marchand launched a project to identify, sample, and analyze soil profiles from seven soil chronosequences in the Western United States. The...
1978年,已故的丹尼斯·马钱德(Denis Marchand)启动了一项研究项目,旨在对美国西部的7处土壤年代序列(soil chronosequences)中的土壤剖面进行识别、采样与分析。该……



