topic

• Coal mines and mining1
• Coalfields1
• Gold mines and mining1
• Mercury mines and mining1
• More Less

name

• Ackerman Lithr1
• Baltimore and Ohio Railroad Company1
• Chesapeake and Ohio Canal Company1
• Cumberland Coal and Iron Company1
• Ord, Edward Otho Cresap, 1818-18831
• More Less

collection

• Maps of North America2

place

• California, Northern1
• Maryland, Western1

genre

• Maps2
• Topographic maps1

publisher

• Ackerman Lith1
• publisher not identified1

division

type

• cartographic2