TVWA - What does TVWA stand for? The Free Dictionary
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On May 11, the children were on their first assignment as part of an ADFG blessed partnership between the Alaska Railroad, the Tanana Valley Watershed Association (TVWA) and Salcha School.
On the day prior to the field assignment, TVWA field technicians locate beaver dams and set baited minnow traps to catch and count young fish.