Siniglik -> 11 miles in straight line from Gotham / 15 landed at about 16 mils and examined section black band 3-4 feet thick containing coal occurs in the sand, which is yellowish green when dug into - the sand below the coal band are- thin many coaly lenses a fraction of an inch thick. Several coal bearing seams are in the yellow sand sand is 50-75 feet thick as exposed (say 70') The sand is unconsolidated quartz sand.