Note 63 — Chapter XIX · GEOLOGY AND WAR
Reading edition
For more detailed description of this subject the reader is referred to The use of geology on the Western Front, by Alfred H. Brooks, Prof. Paper 128-D, U. S. Geol. Survey, 1920.
Reading edition
For more detailed description of this subject the reader is referred to The use of geology on the Western Front, by Alfred H. Brooks, Prof. Paper 128-D, U. S. Geol. Survey, 1920.