Mr. Fletcher's Address to his constituents, relative to the speech delivered by him in Faneuil Hall.

This Address is dated: Dec. 23, 1837.

Tunneling, explosive compounds, and rock drills. Giving the details of practical tunnel work; the constituents and properties of modern explosive compounds; the principles of blasting; the history of ... machine rock-drilling; and detailed descriptions of the various rock-drills and air-compressors in use ... with a history of tunneling from the reign of Rameses II. to the present time.

Plates I and II on one sheet.

Aggregate stability of soils from Western United States and Canada; measurement procedure, correlations with soil constituents

Cover title.