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historicalmarkerproject/markers/HMHR_keeper-of-the-light_Havre-de-Grace-MD.html
Each night he left his house to climb the 27 stairs and 6 rung iron ladder to the top of the lighthouse. And he did this three times a night to refill the oil that kept the light burning and the ships safe. This is the house of the Keeper of th…
historicalmarkerproject/markers/HMAR_the-susquehanna-and-tidewater-canal_Havre-de-Grace-MD.html
The 45-mile long Susquehanna (PA) and Tidewater (MD) Canal ran from Wrightsville, Pennsylvania to Havre de Grace, Maryland. The canal was built between 1835 and 1839 in order to improve commerce on the Susquehanna River. The new canal would connec…
historicalmarkerproject/markers/HMAQ_how-a-lock-works_Havre-de-Grace-MD.html
Instead of following the slope of the land, as rivers and streams do, a canal periodically takes a vertical step between long stretches of flat water. Locks were constructed at each vertical step to accomplish moving barges up and down between eac…
historicalmarkerproject/markers/HMAP_the-lock-house_Havre-de-Grace-MD.html
The Lock House is located at the southern terminus of the Susquehanna and Tidewater Canal, which operated from 1840-1897. The canal was pivotal in the development of the Lower Susquehanna River Valley. It connected with the Pennsylvania Canal at C…
historicalmarkerproject/markers/HMAL_the-concord-point-light-keepers-house-and-property_Havre-de-Grace-MD.html
(first marker) The Concord Point Light Keeper's House and Property Constructed by John Donahoo of Havre de Grace, Builder of Twelve Maryland Light Houses. 1827-1920 The house and property were sold by the U.S.Government in April 1920 as the …
historicalmarkerproject/markers/HMAK_dangerous-waters_Havre-de-Grace-MD.html
On the point where the mighty Susquehanna River meets the Chesapeake Bay stands the lighthouse that protected vessels from dangerous waters for 148 years. Built in 1827 to protect vessels from dangerous shoals and currents at the mouth of the S…
historicalmarkerproject/markers/HMAI_concord-point-lighthouse_Havre-de-Grace-MD.html
Erected at the mouth of the Susquehanna River in 1827, it is the oldest lighthouse in continuous operation in the United States. Now under automatic control, it was manned by the O'Neill Family until 1928. John O'Neill was named as the first light…
historicalmarkerproject/markers/HM6T_rock-run-mill_Havre-De-Grace-MD.html
The Rock Run Mill was built in 1794 by John Stump, a prominent businessman, on land originally known as "Land of Promise." The mill was in continuous operation until 1954. It is one of the oldest mills still standing in Harford County. The buil…
historicalmarkerproject/markers/HM6A_old-post-road-susquehanna-lower-ferry_Havre-De-Grace-MD.html
Old Post Road Established 1666. Public Ferry ordered established by the Council of Maryland 1695 for travel between north and south. General Washington and many notable men used this ferry, also, the Continental Army and soldiers of War Between th…
historicalmarkerproject/markers/HM69_rochambeau-plaza_Havre-De-Grace-MD.html
Named for the French General whose troops passed through here in 1781 en route to Yorktown. Records of the French Army noted plans were underway for a town at this place when the troops returned from Yorktown in 1782.
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