Soil family particle size class map for Colorado River Basin above Lake Mead

Please contact Travis Nauman for access. [e-mail] This repository includes a map of soil family particle size classes modified to include explicit soil depth classes. It is mapped at 30m for the Colorado River Basin above Lake Mead. More to come soon updating metadata (as of 4/15/2021). These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.如需获取本数据集的访问权限，请联系Travis Nauman，电子邮箱：[e-mail]。本数据集仓库包含经修改的土族（soil family）粒径分级图，新增了明确的土壤深度分级类别。该数据集以30米空间分辨率绘制，覆盖米德湖上游的科罗拉多河流域。截至2021年4月15日，后续将更新元数据相关内容。本数据集属于初步暂定版本，仍可能进行修订。发布本数据集旨在满足及时开展顶尖科学研究的需求。本数据集尚未通过美国地质调查局（U.S. Geological Survey, USGS）的最终审核，且提供本数据集的前提为：无论用户以授权或非授权方式使用本数据集，均不得追究美国地质调查局及美国政府的任何损害赔偿责任。