TY  - BOOK
AU  - Campbell,Marius R.
AU  - Parker,Edward W.
AU  - Gannett,Henry
AU  - Day,David T.
AU  - Davis,Charles Albert
AU  - Hayes,C.W.
AU  - Lindgren,Waldemar
AU  - Van Horn,Frank Benjamin
AU  - Brooks,Alfred H.
ED  - Geological Survey (U.S.)
TI  - Papers on the conservation of mineral resources: reprinted from Report of the National Conservation Commission, February, 1909
T2  - Bulletin 394
AV  - QE75 .B9 no. 394
PY  - 1909///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Mines and mineral resources
KW  - United States
N1  - Contents.- Coal fields of the United States, by M.R. Campbell and E.W. Parker.- Estimates of future coal production, by H. Gannett.- The petroleum resources of the United States, by D.T. Day.- Natural-gas resources of the United States, by D.T. Day.- Peat resources of the United States, exclusive of Alaska, by C.A. Davis.- Iron ores of the United States, by C.W. Hayes.- Resources of the United States in gold, silver, copper, lead, and zinc, by W. Lindgren.- The phosphate deposits of the United States, by F.B. Van Horn.- Mineral resources of Alaska, by A.H. Brooks; Includes index
ER  -