Cabin John, Md.-based GeoResearch Inc.’s GPS/GIS ’97 Conference organizers are accepting technical papers and poster presentations until Feb. 15, 1997. The conference will be held in Annapolis, Md., May 13-16, 1997. Topics include defense, enhanced 911 emergency management, forestry, oil and gas, transporta tion and vehicle tracking, GIS mapping, telecommunications, utilities, environmental monitoring, disaster preparation and others. (GeoResearch Inc., P.O. Box 220, Cabin John, MD, 20818, 301/320-0911, fax: 301/320-0922.)