Johnson, Luther Elman. [480].
Sample, John Henderson. [474].
Smith, Albert Mather. [476].
Van der Hoek, Jacobus. [477].
MINING.
"Federal Investigations of Mine Accidents, Structural Materials, and Fuels." Herbert M. Wilson. [190].
Discussion: Kenneth Allen, Henry Kreisinger, Walter O. Snelling, A. Bartoccini, H.G. Stott, and B.W. Dunn, 300.
PILES.
"The Ultimate Load on Pile Foundations: A Static Theory," John H. Griffith. (With Discussion.) [412].