 | United States - 1928 - 618 páginas
...inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to devise new methods for the treatment and utilization of lower grade reserves, and to develop substitutes for such essential ores and mineral products; on public lands and on privately... | |
 | 1947 - 1710 páginas
...inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to devise new methods for the treatment and utilization of lower grade reserves, and to develop substitutes for such essential ores and mineral products; on public lands and on privately... | |
 | United States. Congress. Senate. Committee on Finance - 1939 - 1104 páginas
...inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to devise new methods for the treatment and utilization of lower grade reserves, and to develop substitutes for such essential ores and mineral products; to explore and develop, on... | |
 | United States. Congress. House. Committee on Military Affairs - 1939 - 248 páginas
...inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to devise new methods for the treatment and utilization of lower grade reserves — Mind, the words "lower grade reserves" — and to develop substitutes for such essential ores and... | |
 | United States. Department of the Treasury. Procurement Division - 1943 - 414 páginas
...inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to devise new methods for the treatment and utilization of lower grade reserves, and to develop substitutes for such essential ores and mineral products; to explore and develop, on... | |
 | United States. Congress. Senate. Committee on Mines and Mining - 1943 - 112 páginas
...inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to devise new methods for the treatment and utilization of lower grade reserves, and to develop substitutes for such essential ores and mineral products ; to explore and develop, on... | |
 | United States - 1945 - 708 páginas
...Inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to devise new methods for the treatment and utilization of lower grade reserves, and to develop substitutes for such essential ores and mineral products; to explore and develop, on... | |
 | United States - 1945 - 1036 páginas
...inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to or any person who shall take, receive, hire, employ, use, exhibit, or have i and to develop substitutes for such essential ores and mineral products; to explore and develop, on... | |
 | United States. Congress. House. Committee on Military Affairs - 1946 - 664 páginas
...inadequate from known domestic sources, in order to determine and develop domestic sources of supply, to devise new methods for the treatment and utilization of lower grade reserves, and to develop substitutes for such essential ores and mineral products; on public lands and on privately... | |
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Territories or insular possessions, which are essential to the common defense or the industrial needs of the United States and the quantities or grades of which are inadequate from known domestic sources, in order to determine and develop domestic sources... 
