GroMoPo Metadata for Great Plains Cambrian/Ordovician USGS model

This is a large modelencompassing the main aquifers of the central US a saprt of the USGS RASA program. There is no DOI associated with report, and reprot is too large to be uploaded, but can be found at https://pubs.usgs.gov/pp/1414c/report.pdf本数据集为涵盖美国中部主要含水层的大型模型，是美国地质调查局（United States Geological Survey，简称USGS）RASA计划的一部分。本报告未关联数字对象标识符（DOI），且该报告体积过大无法上传，但可通过链接https://pubs.usgs.gov/pp/1414c/report.pdf 获取。