 POSITION INDICATES  APPROXIMATE CENTER OF CHARTED SUBMERGED FOREST.
 H-4135, 1920,  REPORTS THE EXISTANCE OF A SUBMERGED FOREST OFF THE SOUTHERN SHORE OF MERCER ISLAND NEAR SOUTH POINT AT LAT. 47/31/30 N, LON. 122/12/46 W. (NAD83) THIS WIRE DRAG SURVEY