Officer In Charge of Construction, Bldg 2004, PO Box 1855, Quantico, VA 22134-0855

C -- INDEFINITE QUANTITY CONTRACT FOR MISCELLANEOUS CIVIL AND ENVIRONMENTAL DESIGN AND ENGINEERING SERVICES POC Debbie R. Lockett, Contract Specialist, (703) 784-2976, ext. 223 CNT N62477-99-D-1067 AMT $199,163.00 DTD 093099 TO Earth Tech, Inc., 1420 King Street #600, Alexandria, VA 22314 Posted 10/20/99 (W-SN393229). (0293)

Loren Data Corp. http://www.ld.com (SYN# 0442 19991022\C-0004.AWD)