REMOVE

1. Edler
2. Leidenfrost
3. Stulpnagel, H.v.
4. Bar, J.C.
5. Haase
6. 1867

WHAT

1. Atlas Map (1)
2. Coal (1)
3. Geologic Atlas (1)
4. Geology (1)
5. Mining (1)

WHERE

1. Sweden (1)

WHO

1. Dowling, D.B. (1)
2. Erdmann, Edvard (1)
3. Leach, W.W. (1)
4. McInnes, William (1)
5. Morang & Co. (1)

WHEN

1. 1909 (1)
2. 1913 (1)