American Seacoast Defenses a Reference Guide, 3rd Edition

The third edition of American Seacoast Defenses, a Reference Guide (ASD3) is now available as BOTH hard cover print edition and an electronic PDF document. The third edition features updated and enhanced photographs throughout the book, with an extensive revision of the uniforms and insignia sections. The electronic version makes it great for searching […]


Documents Specific to each Harbor Defense

PDF listing of all Harbor Defense Document files

For summary list of files and pricing see table at the end of this section.

Reports of Completed Works (RCWs)

Reports of completed batteries (RCBs) and reports of completed works (RCWs) were forms used by the Corps of Engineers to document […]


Annexes/Supplements to the Harbor Defense Projects

In the National Archives Record Group 407, Records of the Adjutant Generals Office, 1917-, Entry 366, are filed the various Harbor Defense Projects of the 1930s & 1940s. A Harbor Defense Project was a written document which described all existing and projected harbor defense elements, including structures, first prepared in 1932-33. Annexes to Harbor […]


Documents Arranged by Harbor Defense

Note in the table that: – means no files were available to be scanned, + means the total is added to the number directly above. Some of the smaller defenses have been combined (w/Harbor).

PRICING: We provide this as a service to our members and interested researchers. We are […]


The CDSG Documents DVD

You can buy the DVD with everything or request specific titles: Please contact Mark Berhow ( for details

A PDF file listing all the files available in the CDSG documents DVD can be downloaded here.

Annual Reports of the Chief of Engineers (ARCE) 1866-1922: Extracts related […]


PDF documents available from other sources:

HISTORY OF THE 700 AND 800 SERIES CANTONMENT CONSTRUCTION CD ROM: WW 2 and the U.S. ARMY MOBILIZATION PROGRAM: A History of the 700 and 800 Series Cantonment Construction including Historic American Building Survey documentation for Camp Edwards,MA and Fort McCoy, Wisconsin. 552 pages, 82 illustrations, 152 pages of building drawings. This is […]


PDF files available on line from:

U.S. Army Military History Institute (

Several Army documents have been scanned and placed on line as downloadable PDF files.For example: Survey of Japanese Seacoast Artillery, 1946 by GHQ USAFPAC, Seacoast Artillery Board 160pp. The US Army Military History Institute has placed this valuable and rare document on the web in pdf format, which […]