Take an "on-line tour" of a sample of markers chosen to reflect the geographic range and variety of enterprises that powered Maryland's economy, such as iron smelting and manufacturing, quarrying, mining, milling, oystering, crabbing, canning and technological and scientific achievements. Use the database search on the "Explore the Historical Markers" page to locate other similar markers and to explore these themes in more depth.
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About the Historical Markers Web Site
administered by the Maryland State Highway Administration, supported data development for this project.