Now showing items 1-2 of 2

    • Nitrate Contamination of Groundwater in Peninsula Township 

      Grant, Chuck; Weaver, Tom (2013-08-12)
      The Northwest Michigan Regional Planning and Development Commission has been active in water quality problems for the past four years. In 1978 the Commission adopted a Regional Clean Water Plan. The U.S. Environmental ...
    • Outline of the Geologic History of the Grand Traverse Region 

      Martin, Helen M. (Michigan Department of Conservation, 1957-04)
      The four counties bordering Grand Traverse Bay with Kalkaska and Benzie counties form a unit sharing the same geologic history. The foundation of the region is a segment of the western rim of the nest of rock bowls that ...