Historical Marker
Monocacy Aqueduct
Historical marker location:
Dickerson, Maryland
( Marker can be reached from the intersection of Mouth of Monocacy Road and Dickerson Road (Maryland Route 28).)
Too Tough To Crack. Antietam Campaign 1862.
Maryland was home to the first African American woman to hold a patent: In 1885, Sarah E. Goode, an African American woman from Baltimore, became the first African American woman to hold a U.S. patent. Her invention was a folding cabinet bed, which was designed to save space in small apartments.