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HEC-2 Water Surface Profiles - Hydrologic Engineering …
www.hec.usace.army.milthe Hydrologic Engineering Center (HEC) under the name "Backwater Any Cross Section." As the name implied, Backwater Any Cross Section (unlike the other early backwater programs) was capable of computing water surface profiles in channels with irregularly shaped cross sections.
HEC-RAS River Analysis System - Hydrologic Engineering …
www.hec.usace.army.milThe United States Government, US Army Corps of Engineers, Hydrologic Engineering Center ("HEC") grants to the user the rights to install River Analysis System (HEC-RAS) "the Software" (either from a disk copy obtained from HEC, a distributor or another user or by downloading it from a network) and to use, copy and/or distribute