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Also at each major public access Co the mine area is an orange sign with black <br />lettering that warns of blasting operations taking place and that clearly <br />explains the blasting signals used at the Trapper Mine. Mounted directly below <br />this is a sign stating "Warning! Explosives in Use" (Figure 3.1-2). Addition- <br />ally, bright orange cones and octagonal signs are used to mark and identify the <br />immediate blasting area. Signs are located at each mine road within 50 feet of <br />the blasting area. These signs are cectangular in shape and state "Danger Blast- <br />ing Area" (Figure 3.1-2). <br />Topsoil markers are used to identify all topsoil storage areas. Twu types are <br />used. However, both are similar in that a large black "T" is displayed to iden- <br />tify topsoil stockpiles (Figures 3.1-3). <br />Perimeter markers identify the perimeter of the permit area. These markers are <br />located at corners and on line where needed to clearly identify the permit area. <br />Again, two types of markers are used. Each is identifiable by a large black "P" <br />facing towards the permit area (Figures 3.1-4). <br />Both the topsoil and perimeter markers are mounted on the top of steel posts at <br />an appropriate height to be seen above the surrounding vegetation. <br />3-4 <br />