Category:Geographic history of the United States

• ► History of the United States by location‎ (10 C)

B

• ► Borders of U.S. states‎ (50 C, 7 P)

D

• ► Demographics of the United States‎ (18 C, 66 P)

E

• ► History of United States expansionism‎ (17 C, 138 P, 1 F)

F

• ► Former subdivisions of the United States‎ (2 C)

L

• ► Land surveying of the United States‎ (3 C, 24 P)

M

• ► Maps of the United States‎ (46 C, 7 P, 20 F)

P

• ► Proposed states and territories of the United States‎ (1 C, 5 P)

T

• ► Territorial disputes of the United States‎ (5 C, 4 P)

4

• 40th parallel north
• 49th parallel north

F

• Fairfax Line

M

• Mason–Dixon line
• Missouri Compromise Line

P

• Parallel 36°30′ north

P cont.

• Parallel 54°40′ north

U

• Historic regions of the United States