The mark consists of two diamond designs intersecting each other in the central portion of the Drawing. Each diamond design has four diagonal stripes traversing it. Each diamond design is shaded in the background. In the each of the two diamonds, there is displayed a mountain design. In the diamond design to the left, there is a shaded mountain design in the upper half portion, having 3 trees along the right side of a slope of the mountain. Inside said shaded mountain design, there is written +/- 40 º , (which indicates a forty degree slope angle), and beneath this notation is written the phrase Experts Only. In the diamond design to the right, there is a shaded mountain design in the bottom half portion, which is shown upside down. The shaded mountain design has 3 trees along the left side of a slope of the mountain. Inside said upside down shaded mountain design, there is written in upside down characters, +/- 40 º (which indicates a forty degree slope angle), and the phrase Experts Only.