 There are 14 coal seams in the Solomon Creek watershed . The deepest seam is the Bottom Red Ash . Other seams included the Middle Red Ash , the Top Red Ash , the Checker Bed , the Pittston Bed , the Ross Bed , the Skidmore Bed , the Kidney Bed , the Snake Island Bed , the Hillman Bed , and the Abbott Bed . There are also three numbered beds called the # 2 , # 3 , and # 4 beds . Historically , parts of the seams were within 50 feet ( 15 m ) of the surface , but they were completely mined . Areas along the banks of the creek are covered in coal ash , coal silt , sand , and gravel . There are gravel bars and point bars in the lower reaches of the creek . The lower reaches of Solomon Creek have a 0 @.@ 2 % grade . 
