topic

• Channels (Hydraulic engineering)1
• Harbors1
• Surveys1

name

• United States. Congress (27th, 2nd session : 1841-1842). House1
• Williams, W. G. (William G.), -18461

collection

• Maps of North America1

place

• Erie1
• Erie (Pa.)1
• Erie, Lake1
• Pennsylvania1

genre

• Bathymetric maps1
• Maps1

publisher

• United States House of Representatives1

division

type

• cartographic1