E of Matapang Park on Tumon Bay, Tumon, Guam. County/parish: Guam.
Added to the National Register of Historic Places March 04, 1991. NRIS 88001865.
Part of Japanese Coastal Defense Fortifications on Guam TR (NRIS 64000141).
1 contributing structure.National Park Service documentation: https://catalog.archives.gov/id/131517896