THE RESEARCH UNDERTAKEN BY THE UNIVERSITY OF ARIZONA IN SUPPORT OF THE LUNAR RECONNAISSANCE ORBITER'S LUNAR EXPLORATION NEUTRON DETECTOR (LEND) INSTRUMENT THROUGH DERIVED LEND DATA PRODUCTS CONSISTING OF CALIBRATED OBSERVATIONS THAT INCLUDE SPECIAL EPHEMERIS IN EACH RECORD AND AVERAGED LEND DATA PRODUCTS CONSISTING OF REGIONAL AVERAGES BASED ON LUNAR LATITUDE/LONGITUDE AND LOW RESOLUTION TIME AVERAGES IS USED BY THE INSTRUMENT TEAM AND OTHER SCIENTISTS AROUND THE WORLD IN DETERMINING THE NATURE OF VOLATILES DEPOSITED IN THE MOON'S POLAR REGION FOR WHICH LEND IS ONE OF THE PRIMARY INSTRUMENTS PROVIDING DATA.