Directory of Illinois mineral operators, to accompany mineral industries map, September 1, 1920
by
Illinois State Geological Survey
series:
Unknown
first published:
Unknown
The peat resources of Wisconsin
by
Huels, Frederick William
series:
Unknown
first published:
Unknown
Chemistry: inorganic and organic, with experiments
by
Bloxam, Charles Loudon, 1831-1887
series:
Unknown
first published:
Unknown
Cements, limes, and plasters; their materials, manufacture, and properties
by
Eckel, Edwin Clarence, 1875-
series:
Unknown
first published:
Unknown