Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Select Geochemical Characteristics Based on Olson Geology Types

This tabular data set represents select geochemical characteristics based on Olson geology types in surface or near surface geology (Olson, 2014) compiled for two...本表格型数据集收录了基于奥尔森（Olson, 2014）地质类型的地表及近地表地质体的精选地球化学特征，相关数据系为两项……所汇编而成