Hello Everyone, It hasn't been too many years ago that surveyors face and had to over come the task of crossing a wide river or even a wide canyon with only there levels.In doing this they work out the science of Targeting procedures and Reciproca
Hi everyone,One day i was asked to take shots on the Thalweg , This can only be done if you can see it. in my case it was a creek,so i could see it. In other cases this can only be located by soundings, by whatever method you use. mechanical or
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide background data for engineers, scientific, and other commerc
Bathymetric data is important for producing navigation products (such as nautical charts) and for the advancement of many important Earth sciences. For example, a detailed knowledge of global bathymetry is a prerequisite for mapping the oceans and fo