SURVEY SAMPLE LAT LON COLOUR NATQUA NATSUR SORDAT SORIND DESCRP PRMSEC REMRKS BEGIN_OBSTIM ORIG_DATUM DEVICE SOURCE H06933 22935 51.978593 177.543094 Fine Sand 1-Jan-43 mggal AFSC H06933 22936 51.97663 177.549614 Fine Gray Sand 1-Jan-43 mggal AFSC