Historical Markers Placed
1894 White Marble Block at the Grave of Thomas Johnson
1894 Granite Stone at the Site of the Old Monocacy Church
1904 Twelve Immortal Justices Plaque at the Court House
1904 Sign at the Admiral Schley Birthplace
1923 Plaque at the Jerusalem Cemetery
1924 Chief Justice Taney Plaque at the Court House
1924 Old Trails Monument
1932 Thomas Johnson Plaque at the Court House
1932 Cookley's Tavern Plaque
1938 Plaque on the Chief Justice Taney Home
1948 Plaque on the William Tyler Page Birthplace
1948 Wooden Sign at Rose Hill Manor
1955 Plaque on Hessian Barracks
1955 Plaque on the William Tyler Page Boyhood Home
1964 Plaque at the Grave of John Ross and Anne C. Key
1967 New Sign at Rose Hill Manor
1967 New Sign at Admiral Schley Birthplace
1974 Lafayette/Key Plaque on the Ross Home
1975 Lincoln Visit Plaque on the Page/Ramsey Home
1976 "Witness to History" Plaque at the Hessian Barracks
2009 Old Trails (Braddock) Monument Moved
2011 National Park Service Lewis and Clark Eastern Legacy Marker at Hessian Barracks
2012 Interpretive Panel Sign at Braddock Monument in Braddock Heights
2014 "Justice" Plaque at City Hall in Frederick
2014 Rose Hill Manor Plaque
2015 Interpretive Plaque at Frederick City Hall (250th anniversary of the Stamp Repudiation Act)
2017 Interpretive Marker Including Tombstone Map at James-Kimmel Cemetery
2017 DAR Commemorative Bronze Marker on the Harriet Chapel at Catoctin Furnace