PUBLICATION'S OF THE DIVISION OF MINERAL TECHNOLOGY, 
UNITED STATES NATIONAL -MUSEUM, 
Publication 2421. Sources of nitrogen compounds in the United 
States, by Chester G. Gilbert. Issued June 30, 1916, Smithsonian 
Institution, 12 pp. 
Bulletin 102, part 1. Coal products: An object lesson in resource 
administration, by Chester G. Gilbert. Issued Nov. IT, 1917. 16 
pp., 11 pis. 
Bulletin 102, part 2. Fertilizers: An interpretation of the situa- 
tion 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 independ- 
ence, 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 Feb. 21, 1918. 
26 pp. 
Bulletin 102, part 5. Power : Its significance and needs, by Chester 
G. Gilbert and Joseph E. Pogue. Issued Sept. 21, 1918. 50. pp., 2 
figs. 
Bulletin 102, part 6. Petroleum: A resource interpretation, by 
Chester G. Gilbert and Joseph E. Pogue. Issued Aug. 1, 1918. 76 
pp., 12 figs., 3 pis. 
Bulletin 102, part 7. Natural gas: Its production, service, and 
conservation, by Samuel S. Wyer. Issued , 1918. 
Bulletin 102, vol. 1. The energy resources of the United States: A 
plan for reconstruction, by Chester G. Gilbert and Joseph E. Pogue. 
(In press.) 
Note. — The papers listed above as parts of Bulletin 102 are mem- 
bers of a series entitled 44 The mineral industries of the United States.” 
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