TY - RPRT TI - Calibration and testing of selected portable flowmeters for use on large irrigation systems AU - Richard R. Luckey AU - Frederick J. Heimes AU - Neville G. Gaggiani PY - 1980 DO - 10.3133/wri8072 UR - https://pubs.usgs.gov/publication/wri8072 ID - wri8072 ER -