BP 46359, 1949; Reports the establishment of USACE disposal areas in Wrangell Narrows. The approximate charted center is Lat. 56/31/42 N., Lon. 132/57/39 W. (NAD83)  The bounding coordinates are as follows:
Lat. 56/31/48N., Lon. 132/57/35 W. 
Lat. 56/3