...
3. LOCMETHODNR and RELIABNR are attributes of the coordinates. In the first case it is an instrument that varies by latitude,longitude combination. In the second case is a reliability value for the coordinates that comes in a lookuptable lureliab
4. Only two site attributes have enough information for this ingestion: GENLOC, LOCCOMM. PROPERTY and VISITCOMM may also be added but more than 76% are null.