1:2,000,000-scale Digital Line Graph files of streams

Name: 1:2,000,000-scale Digital Line Graph files of streams
Creator: U.S. Geological Survey
Published: 2023-01-01T00:00:00+08:00

U.S. Geological Survey2023-01-01 更新2026-04-23 收录

河流水系矢量制图

水系地理数据

数据链接：

https://www.sciencebase.gov/catalog/item/631405c4d34e36012efa317b 数据链接链接失效反馈

官方服务：

资源简介：

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This is a 1:2,000,000 coverage of streams for the conterminous United States.

提供机构：

U.S. Geological Survey

创建时间：

2023-01-01

1:2,000,000-scale Digital Line Graph files of streams

资源简介：

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