@article{147042,
      note = {Title on p. [4] of cover: Volcanic rocks, south half  Ispeming greenstone belt, Michigan.},
      author = {Bornhorst, Theodore J. and Johnson, R. C.},
      url = {http://library.usi.edu/record/147042},
      title = {Geology of volcanic rocks in the south half of the  Ishpeming greenstone belt, Michigan /},
      publisher = {U.S. G.P.O. ;},
      recid = {147042},
      pages = {iii, 13 p. :},
      address = {Washington, DC :},
      year = {1993},
}