255 resultados para Lithic raw materials
Resumo:
"June 1955."
Resumo:
"April 1956."
Resumo:
"April 1, 1955."
Resumo:
Worked performed at the University of Minnesota under Contract No. AT(30-1)-1360 with the U.S. Atomic Energy Commission.
Resumo:
"Contract No. AT(30-1)-1390."
Resumo:
"April 1, 1953."
Resumo:
"Contract No. (AT-30-1-702)."
Resumo:
"Contract No. AT(30-1)-1362."
Resumo:
"Contract No. AT (30-1)-1403."
Resumo:
"July 24, 1953."
Resumo:
"July 18, 1953."
Resumo:
"(AT-30-1-610)."
Resumo:
"Contract No. AT-30-1-1182."
Resumo:
In the spring of 1953 a program of field reconnaissance for radioactivity in south-central Montana and northwestern Wyoming was authorized by the U.S. Atomic Energy Commission. Field procedures consisted of testing outcrops along roads, in cliffs, and around rim rocks, and testing mines, prospects and the dumps thereof with the appropriate instruments in an attempt to locate exposures of areas showing anomalous radioactivity and to ascertain the geological conditions under which such radioactivity occurred.
Resumo:
"Contract No. AT(30-1)-126."