REMOVE

1. Exploration Book
2. Trinidad (Colo.)
3. Nevada
4. Arizona

WHAT

1. Atlas Map (2)
2. Classical (2)
3. World Atlas (2)

WHERE

1. Italy (1)
2. Russia (1)
3. Ukraine (1)

WHO

1. Robert Wilkinson (2)
2. Roper, J. (2)
3. Wilkinson, Robert (2)

WHEN

1. 1801 (2)
2. 1823 (2)