937 resultados para Tin mines and mining
Resumo:
Mode of access: Internet.
Resumo:
Includes bibliographical references.
Resumo:
Mode of access: Internet.
Resumo:
Mode of access: Internet.
Resumo:
Extract print. for use of Com. on mines & mining.
Resumo:
Mode of access: Internet.
Resumo:
Vols. for 188 -1893 include the annual reports of mine inspectors; 1894-1898 include the ... annual reports of the state inspectors of mines.
Resumo:
Prepared by the Research Division of the Dept. of Business and Economic Development under contract with the Illinois Institute of Natural Resources.
Resumo:
DCEO's Office of Coal Development OCD provides technical and financial support to the Illinois coal industry. OCD awards funding for basic research and development on coal and its utilization, as well as commercial-scale demonstration of promising coal utilization technologies. Investment within the Illinois energy sector is stimulated through financial incentives provided by some OCD programs. Education and marketing programs are conducted to develop and convey appropriate messages about the importance of Illinois coal in the state's job development efforts and in meeting domestic and international energy needs.
Resumo:
"March 1992."
Resumo:
"Project no. 80.057."
Resumo:
Bibliography: p. 17-23.
Resumo:
"Illinois Mine Subsidence Research Program"
Resumo:
"Project 86/7005."
Resumo:
2nd publisher from label on t.p.