National Water Information System user's manual; Volume 2, Chapter 4, Ground-Water Site Inventory system

The Ground-Water Site Inventory (GWSI) System is a groundwater data storage and retrieval system that is part of the National Water Information System developed by the U.S. Geological Survey. The National Water Information System is a distributed water data base in which data can be processed over a network of minicomputers at U.S. Geological Survey offices throughout the United States. This system comprises the Automated DAta Processing System, the GWSI System, the Quality of Water System, and the Water-Use Data System.

The Ground-Water Site Inventory System provides for entering new sites, updating existing sites within the local data base, and updating the Water Data Storage and Retrieval System (WATSTORE), which is the national data base. In addition, the GWSI System provides for retrieving and displaying ground-water and surface-water data stored in the local data base. Finally, the GWSI System provides for routine maintenance of the local and national data files. This manual contains instructions for users of the System and discusses the general operating procedures for the programs found within the main menu.