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.. , . i. !e 00501 18 necessary to collect these data. The survey department staff also incorporates historical datasets that had been previously referenced to superceded or local control coordinates into the CRE database. This integration requires translation and rotation of the instrument and reference azimuth stations to match the most current coordinates, which reference the primary geodetic control network. The survey department is familiar with data collection and processing of topographic, hydrographic, and geodetic data. Specific equipment available to researchers includes static, kinematics, and Real Time Kinematics (RTK) Global Positioning Systems, single-beam and multi-beam hydrography, acoustic Doppler sensors, laser scanners and conventional survey equipment. The Survey coordinator assesses the level of survey support required to efficiently implement individual studies and evaluates and schedules equipment and personnel requests. Logistics Operations - The GCMRC provides complete logistical support for 35-40 research, monitoring and administrative river trips through the Grand Canyon annually. These trips range in length from 7 to 21 days and from 4 to 36 people in size. Trips are comprised of a variety of motor and oar powered boats opcrated by contracted boat operators. Projects operating in the Glen Canyon reach of the Colorado River (Glen Canyon Dam to Lees Ferry) are supported by a variety of motor powered boats operated by GCMRC researchers and contracted boat operators. Additionally, research activities on the Little Colorado River and at other locations outside of the Grand Canyon National Park boundaries are supported by helicopter services contracted with the Bureau of Reclamation. Ground based support for other research activities outside of the river corridor are also coordinatcd with the use of GCIvIRC vehicles. The GCMRC uses a method of supporting trips in which govemment owned boats and river logistical.equipment are used in conjunction with a contracted vendor who supplies Technical and Logistical Boat Operators. A concerted effort is made to match PI's with the best possiblc Boat Operators for their particular study. Food packs, trip supplies, and equipment are organized, packed and maintained at the GCMRC warehouse. Put-in and take-out transportation is provided with the use ofGSA leased vehicles and contracted shuttle drivers. This logistical approach has evolved since the GeES phase to allow a detailed overview of trip particulars that most influence cost and efficiency, ultimately giving the GCMRC control over trip costs and productivity. Effective communication with PI's and sensitivity to and awarencss of the challenges they face in implementing their studies enable the GCMRC to offer GCMRC FY2006 Annual Work ptan (Draft, June 10,2005)