The mark consists of the letters W, I, S, and E appearing independently in black and white shading each letter in a black-boundaried box having deep blue coloring at the bottom of the box, the hue of which gradually lightens from the bottom of the box to the top and wherein 'the same letters are black in the phrase Watershed Information SystEm while the rest of the lettering in the phrase is blue and the circles joining the black-boundaried boxes have variable blue shading.