Horizontal control
收藏NOAA Institutional Repository2026-02-26 更新2026-04-25 收录
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https://repository.library.noaa.gov/view/noaa/55261
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资源简介：
This report provides the user with current information on horizontal control. The historical development is summarized, including some methods which are now obsolete. In general, the material is presented chronologically. A companion publication, NOAA Technical Report NOS 73 NGS 8, Control leveling ( Whalen 1978) details the history of the National Geodetic Vertical Network.
提供机构：
NOAA
创建时间：
2026-02-26
