
 HISTORY 
 H09871/76--OPR-515-RU/HE; POSITION OF THIS HANG IN LAT 37°02.09'N, LONG 75°47.55'W (NAD 27), WITH AN ESTIMATED EFFECTIVE HANG DEPTH OF 42 FEET AND NOTED AS EXTENDING 3½ FEET OFF THE BOTTOM, FALLS IN 41 FOOT DEPTHS ON H-9919(1980-81).  RECOM