SURVEY SAMPLE LAT LON COLOUR NATQUA NATSUR SORDAT SORIND DESCRP PRMSEC REMRKS BEGIN_OBSTIM ORIG_DATUM DEVICE SOURCE H07890 24027 51.427442 179.403327 Rocky 1-Jan-51 mggal AFSC H07890 24028 51.406883 179.418895 Gray Sand 1-Jan-51 mggal AFSC H07890 24029 51.33351 179.489085 Gravel 1-Jan-51 mggal AFSC