The Colonial General Assembly of Maryland approved Baltimore's Port in 1706 and Baltimore's City in 1723. Through the early 1700s, Philadelphia's German and Scots-Irish colonists, who were skilled at growing corn and wheat, moved to southern Pennsylvania and northern Maryland. They settled their farming ideas and skills soon in Baltimore which further by 1810 had become pivotal ruler for flour milling while started from flour export business during 1750 an Irish-born physician named "John Stevenson" shipped a cargo of flour back to Ireland as an experiment.
Therefore farming skills settled by outsiders hiked the development and growth of flour milling industry as competition for grist milling became ferocious along the Jones Falls even situation occurred when as many as 12 grist mills out of which four miles of Baltimore were highlighted.
