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Environmental, Earth & Space Studies

Department of Environmental, Earth & Space Studies
Sattgast 215
Phone: (218) 755-2920
Fax: (218) 755-4107

Mailing Address:
1500 Birchmont Drive NE #27
Bemidji, MN 56601-2699

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Dr. Tim J. Kroeger


Environmental, Earth & Space Studies

Office: S 109

Phone: (218) 755-2783

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  • B.A., 1979, University of Minnesota, Morris, Morris, Minnesota; biology and geology.
  • M.S., 1985, South Dakota School of Mines and Technology, Rapid City, South Dakota. Geology, emphases in sedimentology and palynology.
  • Ph. D., 1995, University of North Dakota, Grand Forks, ND. Geology, emphases in palynology, paleontology, paleoecology, stratigraphy, and sedimentology.

Publications, Grants, Other Projects:

Professional Organizations

Member of: AASP, The Palynological Society; Geological Society of America; National Association of Geoscience Teachers; Sigma Xi, The Scientific Research Society; Society of Sigma Gamma Epsilon.

Recent Research

1982-present: Palynology of Upper Cretaceous and lower Tertiary deposits in the northern Great Plains. Studies focus on biostratigraphy and the relationship between palynomorph assemblages and depositional environments.

1996-1997: Recognition of climatic cyclicity within alluvial deposits in central and western North Dakota.

1988-present: Paleoecology of palynomorph assemblages from the lower Fort Union Group (Paleocene) in southwestern North Dakota.

2000-2001: Hydrology of northern Minnesota peatlands.

2007-present: Palynology of the Linton Member of the Fox Hills Formation (Upper Cretaceous), south central North Dakota

2008-present: Evaluation of dissolved oxygen impairment of the Clearwater River, Clearwater County, Minnesota.

Current Duties

Professor of Geology at Bemidji State University teaching undergraduate and graduate courses in physical geology, historical geology, paleontology, stratigraphy and sedimentation, hydrogeology, environmental geosciences, geosciences for teachers, glacial and Pleistocene geology.
Director of BSU’s component of the Minnesota Space Grant Consortium.
Member of BSU Graduate Faculty since 1994
Member of BSU Graduate committee
Member of BSU Faculty Senate
Staff member of BSU Center for Professional Development

Experience in Higher Education

  • 1994-present: Assistant, Associate and Full Professor of Geology, Bemidji State University, Bemidji, Minnesota.
  • 2006: Adjunct instructor of geology, Red Lake Nation College, Red Lake, Minn.
  • 1991-1992: Lecturer of Geology, Department of Geology and Geological Engineering, University of North Dakota.

Continuing Education

  • 1995: Hydrogeology Summer Field Camp sponsored by the Department of Geology and Geophysics, University of Minnesota.
  • 1996: Effective Teaching of Hydrogeology. A continuing education course sponsored by the Geological Society of America.
  • 1996: Innovative and Effective Teaching in the Geosciences. A workshop sponsored the National Association of Geoscience Teachers.
  • 1996: Palynology of Wetland Environments of the Southern U.S. A field trip associated with the Ninth International Palynological Congress.
  • 1999: Paleobiology of the Dinosaurs, a Chataqua short course sponsored by the National Science Foundation.
  • 2002: Teaching Quantitative Skills in a Geoscience Context. A workshop sponsored by the National Science Foundation, Carleton College, and the National Association of Geoscience Teachers.
  • 2004: Late Wisconsinan Superior-Lobe deposits in the Superior Basin northeast of Duluth; a field trip associated with the 50th annual Institute on Lake Superior Geology.
  • 2004: Glacial and postglacial landscape evolution in the Glacial Lake Aitkin and Upham Basin, northern Minnesota. A field trip associated with the 50th annual Institute on Lake Superior Geology.
  • 2006: Attended annual meeting of Professional and Organizational Development Network—an organization devoted to improving faculty development opportunities.
  • 2009: Glacial geology of the Vermilion Moraine: a field trip associated with the 55th Annual Meeting of the Institute on Lake Superior Geology.
  • 2009: Architecture of an Archean greenstone belt: a field trip associated with the 55th Annual Meeting of the Institute on Lake Superior Geology.