TY  - BOOK
AU  - Payne,Henry Mace
TI  - Natural resources and national problems,
AV  - HC106.3 .P35
PY  - 1928///
CY  - Washington, D.C.
PB  - American Mining Congress
KW  - Natural resources
KW  - United States
KW  - Economic conditions
N1  - Bibliographical references at end of chapters
ER  -