Blossom Rock (San Francisco Bay) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Blossom Rock (San Francisco Bay)" in English language version.

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archive.org

Williamson, R.S.; Heuer, W.H. (1870). Report Upon the Removal of Blossom Rock in San Francisco Harbor (Report). Retrieved 7 September 2017 – via Archive.org.

Upon the Removal of Blossom Rock [in] San Francisco Harbor, California (Report). Report of the Chief of Engineers. U.S. Army. 1904. p. 640. Retrieved 21 September 2017 – via Google Books.
San Francisco Bay and Tributaries, California. San Francisco District, Corps of Engineers (Report). Report of Survey. U.S. Army. December 1974. p. 76. Retrieved 21 September 2017 – via Google Books.

"Blossom Rock navigation trees site". California Office of Historic Preservation. Historical Landmark. State of California. 13 November 1984. CHL 962. Retrieved 7 September 2017.

"Roberts Regional Recreation Area". East Bay Regional Park District. Retrieved 7 September 2017.