REMOVE

1. Geology
2. U.S.
3. Newberry, J.S.
4. Courtenay, F.

WHAT

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

WHERE

1. Guatemala (1)
2. Mexico (1)
3. Texas (1)

WHO

1. Cumming, J. (1)
2. Heywood, A. (1)
3. James MacLeod and Francis … (1)
4. Lothian, John (1)
5. Simpkin, Marshall & Co. (1)

WHEN

1. 1848 (1)