Word: zinc
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...brazing alloy (with copper and zinc) to connect joints: it is workable at relatively low temperatures which do not injure the metals joined...
...said Mr. Ickes, lifting a warning finger: oil reserves might be exhausted in 20 years, zinc in 25, copper in 30, lead in 30 to 40, and high-grade iron ore in 50. But coal deposits, which Harold Ickes valued at $10 trillion, could last 50 centuries...
This is the value, guessed Harold Ickes, of all the coal, iron ore, copper, zinc, lead and other minerals; of petroleum and natural gas; of water power, farms, forests, fisheries, public and private utilities, industry, public and private buildings. Cried Honest Harold: "We are every one a Croesus...
...more last week. The man: 6-ft.-8-in. John Raymond Austin, 56, whose straggly grey hair and long, lined face give him the melancholy look of a bloodhound. The job: adding 6,200 ft. to an abandoned tunnel under La Plata divide, to make it possible to get zinc, lead and copper out of some lately unworked gold & silver mines...
...Harry Payne Whitney), the Black Bear (once Rockefeller's) and adjacent mines. All these properties are now owned by Idarado Corp. and have been leased to Metals Reserve on a royalty basis. In addition to lead and copper, the Government especially hopes to get 5,600 tons of zinc the first year. Long John's tunneling tempo was needed again...