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Headquarters Library

Library services for US Army Corps of Engineers Headquarters are provided by the Humphreys Engineer Center Support Activity (HECSA) Library.  It is one of many libraries that make up the US Army Corps of Engineers Library Program.

HECSA Library also serves the Institute for Water Resources (IWR) and the 249th Engineer Battalion (Prime Power).  The general public is welcome to make use of our catalog and services, but most content is licensed only for our customers. Links to these services do not constitute endorsement by the US Army Corps of Engineers.