Hướng dẫn Xác định Tần suất Lũ (Bulletin 17C, V1.1, May 2019)

Guidelines for Determining Flood Flow Frequency Bulletin 17C Chapter 5 of Section B, Surface Water Book 4, Hydrologic Analysis and Interpretation Techniques and Methods 4–B5 Version 1.1, May 2019 U.S. Department of the Interior U.S. Geological Survey