U.S. Fish and Wildlife Service, Contracting and General Services, 1011 East Tudor Road, Anchorage, Alaska 99503

R -- ESTABLISH HORIZONTAL AND VERTICAL CONTROL OVER +- 66 SQUARE MILES OF YUKON FLATS NATIONAL WILDLIFE REFUGE AND ELEVATIONS AT 50+ LAKES USING GPS TECHNOLOGY Sol. FWS 7-95-12. Due 070895. Contact Sheri' A. Della Silva, Contracting Officer, (907)786-3436. The U.S. Fish and Wildlife Service has the need for establishing a repeatable database supporting instream water rights for important lakes within the Yukon Flats National Wildlife Refuge. Using differential Global Positioning System (GPS) technlogy, establish the elevations of 50 or more lakes/wetlands, the lakes are scattered over a substantial area (roughly 50 x miles). Data should be obtained in a manner so that the pertinent portion of the refuge is on a consistent reliable control network to facilitate development of water rights actions. Field work must be conducted before snow covers the ground freezes. Following completion of field work, three months will be allowed for post-processing data and completion of the necessary report. This is a natural data collection project for resource management purposes. The location of the work is on the Yukon Flats National Wildlife Refuge, Fairbanks, Alaska. Estimated Cost Range: Between $25,000 and $100,000. Refuge for solicitation can be made in writing, verbal or faxed to (907) 786-3923.(142)

Loren Data Corp. http://www.ld.com (SYN# 0076 19950524\R-0005.SOL)