Preliminary report on the operations of the coal-testing plant of the United States Geological Survey at the Louisiana Purchase Exposition, St. Louis, Missouri, 1904
Bulletin 261
By:
Edward Wheeler Parker
,
Joseph A. Holmes
,
and Marius R. Campbell
Preliminary report on the operations of the coal-testing plant of the United States Geological Survey at the Louisiana Purchase Exposition, St. Louis, Missouri, 1904