Black Damp in Mines

Black Damp in Mines

Date: 1916
Creator: Burrell, G. A.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Physical and Chemical Properties of the Petroleums of the San Joaquin Valley of California

Physical and Chemical Properties of the Petroleums of the San Joaquin Valley of California

Date: unknown
Creator: Allen, Irving C.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Investigations of Explosives Used in Coal Mines

Investigations of Explosives Used in Coal Mines

Date: 1912
Creator: Hall, Clarence
Description: None
Contributing Partner: UNT Libraries Government Documents Department