topic

• Water-supply1
• Watersheds1

name

• Heliotype Printing Co1

collection

• Maps of North America1

place

• Boston1
• Boston Region (Mass.)1
• Massachusetts1
• Mystic River Watershed (Mass.)1
• Shawsheen River Watershed (Mass.)1

genre

• Maps1

publisher

division

• Map Division1

type

• cartographic1