topic

• Harbors1

name

• Eldridge, Geo. W. (George Washington), 1845-19141
• Houghton, A. N1

collection

• Maps of North America1

place

• Block Island (Island)1
• Block Island Sound (R.I.)1
• Rhode Island1

genre

• Maps1
• Nautical charts1

publisher

division

• Map Division1

type

• cartographic1