WATER MARK
water and other liquid measuring, sampling, testing, storage, coloring and recording tools for professional use in the forestry, environmental industries, and/or for use in engineering applications involving flood control, water level readings, drainage, determination of drainage/floodway perimeters, ground water pollution assessment, sewage disposal and systems therefor, and affluent monitoring of water ways; namely, liquid level gauges (stream gauges), [flow meters, depth gauges, PH meters,...
Registered · September 6, 1990 · 74094427 ·