Find the following quarry words in the maze. Use the left over letters to find the hidden message. AGGREGATE GRAVEL ROCK BASALT LIMESTONE SAFETY BRICK GRANITE SAMPLE CLAY LOAM SAND CONCRETE METAMORPHIC SEDIMENTARY IGNEOUS QUARRY SOIL GEOLOGIST QUARTZ TRUCK CRUSH RECYCLE __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __