U.S. Geological Survey, MS 204, 12201 Sunrise Valley Drive, Reston, Va 20192

D -- SOFTWARE MAINTENANCE DUE 101499 POC Patricia Goree (703) 648-7901 The U.S. Geological Survey anticipates awarding a Purchase Order to ERDAS for the renewal of software Licenses. ERDAS is the creator of Unix Imagine Prof.and PC Imagine Prof. This announcement is for informational purposes only. Vendors who may own the source code and who have been certified by ERDAS are invited to provide evidence of their ability to meet this requirement. All responses must be recieved in this office within 10 calendar days from the date this publication first appears. All responses must be in writing, no telephone requests will be accepted. Posted 10/04/99 (W-SN388280). (0277)

Loren Data Corp. http://www.ld.com (SYN# 0020 19991006\D-0007.SOL)