1863-1947
Fort Stevens (Point Adams, Hammond, OR) (1863-1947)
Fort Canby (Cape Disappointment, Ilwaco, WA) (1863-1947)
Fort Columbia (Scarborough Point, Chinook, WA) (1897-1947)
HDCR during the Second World War website
Units Stationed at the Harbor Defense of the Columbia
Units and Operational History of Harbor Defenses of the Columbia

Columbia River Harbor Defenses
Reference materials
Confidential Blueprint Map Series
PDF HD Columbia River Maps 1921
PDF HD Columbia River Maps 1934
PDF Columbia River Maps 1946
Annexes/Supplements to the Harbor Defense Project
PDF HD Columbia River Annex 1937
PDF HD Columbia River Annex 1944/1946
Reports of Completed Batteries/Completed Works
PDF RCBs For Columbia River
PDF RCWs For Fort Columbia
PDF RCWs for Fort Canby
PDF RCWs for Fort Stevens
Engineer Notebooks 1900-1920s
PDF Engineer Notebook HD Columbia River
Quartermaster Building Records 1900-1941
PDF Quartermaster Building Records For Fort Columbia
PDF Quartermaster Building Records for Fort Canby
PDF Quartermaster Buillding Records for Fort Stevens

