REMOVE

1. Physical
2. United States
3. Mexico
4. North America

WHAT

1. Atlas Map (3)
2. Political (2)
3. Separate Map (2)
4. World Atlas (2)

WHERE

1. Louisiana Purchase (2)
2. Canada (1)

WHO

1. Bizet, A. (2)
2. Brehier (2)
3. Charpentier (2)
4. Cornelis (2)
5. Drioux, Claude-Joseph (2)

WHEN

1. 1820 (2)
2. 1886 (2)
3. 1887 (1)
4. 1892 (1)