Browsing Circulars - Indiana Geol. Survey by Author "McGregor, Duncan J."

Sort by: Order: Results:

  • Smith, Ned M.; Brookley, Arthur C.; McGregor, Duncan J. (Indiana Geological Survey, 1954)
    Rocks, minerals, and fossils of Indiana are the foundation, directly or indirectly, of the economic well-being of the state. Utilization of rocks, minerals, and fossils has contributed to the development of civilization. ...
  • Greenberg, Seymour S.; Bundy, Wayne M.; McGregor, Duncan J. (Indiana Geological Survey, 1958)
    The study of minerals and rocks is an important part of the science of geology, which treats of the history of the earth and its life, especially as recorded in the rocks. Surprisingly many of us accept as commonplace many ...

Search IUScholarWorks

Advanced Search


My Account