Tag Archive: salmon river

Oct 04 2011

Hydro Survey: GPS? Who Needs That?


Guest Post by Joe Robinson, Hydro Survey Crew Chief If you have spent some time in the field of modern day surveying, you probably know one of the key limitations with using GPS – Obstructions overhead that might considerably reduce otherwise available satellite reception. GPS currently works by means of line of sight connections between …

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Jun 16 2011

Hydro Survey: The Jet Boats


In most typical shallow western streams, there are going to be reaches less than a foot deep that you need to get through in order to get to a deeper reach of the channel. This is where the jet boats come into play for hydro survey. A jet boat is different from a propeller boat …

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