REMOVE

1. Geology Book
2. Statistical Table
3. Lakes
4. Powell, J.W.

WHAT

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

WHERE

1. Colombia (1)
2. Guiana (1)
3. South America (1)
4. Venezuela (1)

WHO

1. Campbell, R.A. (1)
2. Mitchell, Samuel Augustus (1)
3. R.A. Campbell (1)
4. S.A. Mitchell, Jr. (1)
5. Walling, H. F. (1)

WHEN

1. 1870 (1)