 POSITION INDICATES  APPROXIMATE CENTER OF CHARTED SUBMERGED FOREST.
 H-4135, 1920,  REPORTS THE EXISTANCE OF A SUBMERGED FOREST OFF THE WESTERN SHORE OF MERCER ISLAND AT LAT. 47/33/40 N, LON. 122/14/06 W. (NAD83) THIS  WIRE DRAG SURVEY CLEARED THE AREA