Filtering by: Affiliation George C. Marshall Space Flight Center Remove constraint Affiliation: George C. Marshall Space Flight Center Affiliation Civil and Environmental Engineering Remove constraint Affiliation: Civil and Environmental Engineering Creator Petersen, Walter A. Remove constraint Creator: Petersen, Walter A. Creator Arulraj, Malarvizhi Remove constraint Creator: Arulraj, Malarvizhi Format TXT Remove constraint Format: TXT Subject Rain gauges Remove constraint Subject: Rain gauges