United States Hydrographic... en.wikipedia.org

United States -... www.amazon.com

U. S. NAVY HYDROGRAPHIC... www.rtamaps.com

United States -... www.amazon.com

Publications, Issue 147:... www.amazon.com

United States -... www.amazon.com

Founding and Development of... www.amazon.com

Founding and Development of... www.amazon.com

Antique maps by U.S. Navy... www.raremaps.com

Antique maps by U.S. Navy... www.raremaps.com

U.S. Coast Survey Vs. Naval... www.amazon.com

Antique maps by U.S. Navy... www.raremaps.com

U.S. Navy Hydrographic... timeandnavigation.si.edu

Air Navigation... www.amazon.com

Antique maps by U.S. Navy... www.raremaps.com

Publications, Issue 147:... www.amazon.com

Antique maps by U.S. Navy... www.raremaps.com

Antique maps by U.S. Navy... www.raremaps.com

Antique maps by U.S. Navy... www.raremaps.com

Antique maps by U.S. Navy... www.raremaps.com