Now showing items 1-2 of 2

    • Summary of Ground-Water Hydrological Data in Michigan in 1969 

      Giroux, P.R.; Huffman, G.C. (U. S. Geological Survey, 1970)
      The purpose of this report is to make available the records of ground-water levels in the principal aquifers of the State through 1969 and to compile other related data, such as records of groundwater pumpage, data on ...
    • Summary of Ground-Water Hydrological Data in Michigan in 1971 

      Huffman, G.C.; Thompson, T. (U.S. Geological Survey, 1973)
      The collection of ground-water-level records and other related data is also aided by the following municipalities, institutions, and private organizations: Cities or villages of Alma, Ann Arbor, Battle Creek, ...