REMOVE

1. View
2. Washington
3. Oregon

WHAT

1. Exploration Book (9)
2. Chart Atlas (1)

WHERE

1. California (8)
2. Canada (8)
3. Central America (8)

WHO

1. Arthus Bertrand (8)
2. Duflot de Mofras, Eugene (8)
3. Agate, A. T. (1)
4. Alexander, W. (1)
5. G.G. & J. Robinson (1)

WHEN

1. 1844 (8)
2. 1798 (1)
3. 1845 (1)