
HISTORY
 H9231/71--OPR-438-MI; 38.5 FM WK (A SPIKE) WAS LOCATED ON BASIC LINESPACING BY ECHOSOUNDER IN LAT 35-49-11N, LONG 74-50-01W (NAD27) ì
. ANOTHER SPIKE WAS LOCATED APPROX 2300FT DUE WEST OF THE FIRST POSITION ON THE SAME LINE. ADDITIONAL DEVELO