The U.S. Geological Survey (USGS) Global Land Information System (GUS) can now be accessed on the Internet. This useful system assists in data inventory and acquisition. Among other information, AVHRR, Landsat-TM and MSS data catalogs are on-line.
Further detail on the system is on the Internet at GLIS.CR.USGS.GOV (192.41.204.54). There are also DECNET and dial-up connections. For GLIS user assistance, call 1-800-252-GLIS or FTS 753-7099.