Note 5 — TRANSACTIONS
Reading edition
“Prevention of Mine Explosions,” by Victor Watteyne, Carl Meissner, and Arthur Desborough. Bulletin No. 369, U. S. Geological Survey.
Reading edition
“Prevention of Mine Explosions,” by Victor Watteyne, Carl Meissner, and Arthur Desborough. Bulletin No. 369, U. S. Geological Survey.