TY  - MAP
TI  - Transportation lines of Chesapeake Bay serving the port of Baltimore MD
AU  - ritter, alfred h. (alfred hotchkiss)
AU  - united states. board of engineers for rivers and harbors
AU  - united states. army. corps of engineers
PY  - 1926
UR  - https://www.loc.gov/item/2012585905/
ID  - 2012585905
ER  -