Gateway / source-linked evidence
What can the current public evidence establish about this gateway, and what remains unknown?

Depicts Barbours Cut Container Terminal, Port Houston. Houston Ship Channel Barbours Cut.jpg by U.S. Army Corps of Engineers · Public domain (U.S. Government). Cropped and shaded for display.
Evidence-supported observations.
Open questions and evidence limits.
Steps available from the current evidence.
Each item retains its source identity, source link, and available collection or refresh date.
USHOU · Houston
Source date not suppliedOpen source ↗release snapshots; not live berth activity
Source date not suppliedOpen source ↗