PUBLICATIONS OF THE DIVISION OF MINERAL TECHNOLOGY, 
U. S. NATIONAL MUSEUM. 
Bulletin 102, Part 1. Coal Products: An object lesson in resource administration, by 
Chester G. Gilbert. Issued Nov. 17, 1917. 16 pp., 11 pis. 
Bulletin 102, Part 2. Fertilizers: An interpretation of the situation in the United 
States, by Joseph E. Pogue. Issued Oct. 10, 1917. 22 pp., 1 pi. 
Bulletin 102, Part 3. Sulphur: An example of industrial independence, by Joseph 
E. Pogue. Issued Nov. 7, 1917. 10 pp., 1 fig., 3 pis. 
Bulletin 102, Part 4. Coal: The resource and its full utilization, by Chester G. 
Gilbert and Joseph E. Pogue. Issued , 1918. 26 pp. 
Bulletin 102, Part 5. Power: Its significance and needs, by Chester G. Gilbert 
and Joseph E. Pogue. (In preparation.) 
Bulletin 102, Part 6. Petroleum: A resource interpretation, by Joseph E. Pogue 
and Chester G. Gilbert. (In preparation.) 
Note. — The papers listed above are members of a series entitled, The Mineral 
Industries of the United States. 
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