National Transportation Atlas Database (NTAD): Hydrographic Features 2002-2006 Datasets
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下载链接：
https://rosap.ntl.bts.gov/view/dot/54853
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资源简介：
The Hydrographic Features 2002-Present dataset is a single nationwide database that has polygons/attributes for major rivers and lakes, is consistent across state lines, and has the most accurate data available. This database will be used primarily for map production, basic queries, and was distributed as part of the National Transportation Atlas Databases (NTAD).
创建时间：
2021-03-17
