The Granite Quarries

Historical marker location:

Columbia, Maryland

( Marker can be reached from Old Guilford Road, 0 miles south of Guilford Road when traveling south.)

Marker installed: 2003

Patuxent Branch Trail.

Maryland was a border state during the Civil War: During the Civil War, Maryland was a border state that remained in the Union but had many sympathizers with the Confederacy. The state was strategically important because it was located between Washington D.C. and the Confederate capital of Richmond, Virginia.