"Southern Maryland bicycle routes, Calvert County, Charles County, St. Mary's County : where time and tide meet, southern Maryland." Published by the Calvert, Charles, and St. Mary's Boards of Commissioners, Southern Maryland Travel and Tourism Committee, and PACE (Patuxent Area Cycle Enthusiasts). Map Design and Production by University of Maryland Baltimore County Cartography Laboratory, circa 2006, drawer: 4, Folder: 4. Regina Hammett papers, MSS-015. St. Mary's College of Maryland Archives.

"Southern Maryland bicycle routes, Calvert County, Charles County, St. Mary's County : where time and tide meet, southern Maryland." Published by the Calvert, Charles, and St. Mary's Boards of Commissioners, Southern Maryland Travel and Tourism Committee, and PACE (Patuxent Area Cycle Enthusiasts). Map Design and Production by University of Maryland Baltimore County Cartography Laboratory, circa 2006, drawer: 4, Folder: 4. Regina Hammett papers, MSS-015. St. Mary's College of Maryland Archives. https://smcm.as.atlas-sys.com/repositories/2/archival_objects/15243 Accessed May 18, 2024.