TY  - BOOK
ED  - United States.
TI  - Mineral resources development: hearings, 81st Congress, 1st session, on S. 240, S. 2105, S. 2230, and S. 2320, July 15, 16, 19, 30, and Aug. 5, 1949
PY  - 1949///
CY  - [Washington, D.C.]
KW  - Mines and mineral resources
KW  - United States
N1  - [The hearing of July 18, 1949, is included]; CRDP Program Historic Shelflist record
ER  -