The role of geology in the first world war,
Johnson, Douglas Wilson, 1878-1944.
The role of geology in the first world war, by Douglas Johnson. - [New York] The Society, 1942. - 18 p. 23 cm.
At head of title: The Geological society of America.
gs 42000223
Geology.
Military topography.
World War, 1914-1918.
QE33 / .J6
The role of geology in the first world war, by Douglas Johnson. - [New York] The Society, 1942. - 18 p. 23 cm.
At head of title: The Geological society of America.
gs 42000223
Geology.
Military topography.
World War, 1914-1918.
QE33 / .J6