John A. Belt Building

Historical marker location:

227 East Diamond Avenue, Gaithersburg, Maryland

( Marker is at the intersection of East Diamond Avenue and South Summit Avenue, on the right when traveling east on East Diamond Avenue.)

Built: 1903.

The Chesapeake Bay is a crucial part of Maryland's history and economy: The Chesapeake Bay is the largest estuary in the United States, and it has played a crucial role in Maryland's history and economy. The bay has been a major source of food, transportation, and recreation for Marylanders for centuries, and it continues to be an important part of the state's culture.