topic

• Cities and towns1
• Growth1
• Sewage disposal in rivers, lakes, etc1
• Sewerage1

name

• A. Hoen & Co1
• District of Columbia. Board of Sanitary Engineers1

collection

• Maps of North America1

place

• Washington (D.C.)1

genre

• Topographic maps1

publisher

division

• Map Division1

type

• cartographic1