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Rules to be observed by masters and pilots of vessels, arriving at the port of Philadelphia: established by the health law, and regulations of the Board of Health, to which is annexed, a supplement to the health law, passed on the 2d day of April, 1821
Rules to be observed by masters and pilots of vessels, arriving at the port of Philadelphia: established by the health law, and regulations of the Board of Health, to which is annexed, a supplement to the health law, passed on the 2d day of April, 1821