Charts. Chesapeake Bay, Sandy Point to head of bay, Md., surveys 1891-1918, surveys by U. S. Engineers to 1920, surveys by Harbor Board of Baltimore to 1918; chart 1226. Scale 1:80,000.
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Chesapeake Bay, Sandy Point to head of bay, Md., surveys 1891-1918, surveys by U. S. Engineers to 1920, surveys by Harbor Board of Baltimore to 1918; chart 1226. Scale 1:80,000.
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Charts. Chesapeake Bay, Sandy Point to head of bay, Md., surveys 1891-1918, surveys by U. S. Engineers to 1920, surveys by Harbor Board of Baltimore to 1918; chart 1226. Scale 1:80,000.