Mining, metallurgy, economic geology and applied chemistry.
By: Hennen Jennings ... chairman.
Contributors: Jennings, Hennen, 1854-1920.
Series: Its Proceedings ... Section VII ... vol. VIII.
Publisher: Govt. print. off.
Published: 1917
Place of publication: Washington
Language: eng; spa
Number of pages: 1045
Subjects: Mineral industries -- Congresses.; Metallurgy -- Congresses.; Geology, Economic -- Congresses.; Chemistry, Technical -- Congresses.
Genres: Congresses.
Notes: Most of the plates printed on both sides.
Contributions in English or Spanish.