Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Locations of control lines at the berms (lines A and B) and on the downstream (line C) and upstream side of the crest (line CI). (b) Locations of the control points for high precision geodetic observations and distribution of the cross sections (critical sections) for numerical modeling.
