1)  Mahantango Watershed, Pennsylvania

An example of the use of GeoSolid3D:  "From a geologic map to a 3D solid model to a 3D ground water model using GIS output"

geologic map with cross section
        line                              

Click here for caption and enlarged view


Mahantango
            Geologic Map and Ground Water Contours

Click here for caption and enlarged view

Hoaglund, J.R. and D. Pollard, 2003.  Dip and anisotropy effects on flow using a vertically skewed model grid. Ground Water, vol. 41, no. 6, p. 841-846.

[pdf printed December, 2003 ]


2) Michigan Basin


  • West to East Geologic Cross-Section of the Michigan Basin
  • Recharge Maps for the Lower Peninsula of Michigan
  • Horton Ordered Drainage Pattern of Lower Michigan
  • Simulated Water Table in the Glaciofluvial Aquifer of the Michigan Basin and Calibration of Solution
  • Simulated Groundwater Discharge to the Great Lakes from the Lower Peninsula of Michigan
  • Simulated Effect of Port Huron Ice Loading
  • Simulated vertical gradients between Michigan RASA aquifers


  • Hoaglund, J.R., J.J. Kolak, D.T. Long, and G.G. Larson, 2004.   Analysis of modern and Pleistocene hydrologic exchange between Saginaw Bay (Lake Huron) and the Saginaw Lowlands Area. Geological Society of America Bulletin, vol. 116, no. ½,  p. 3-15.
    [pdf printed January, 2004 ]

    Hoaglund, J.R., G.C. Huffmann, and N.G. Grannemann, (2002), Michigan Basin regional ground-water flow:  discharge to three Great Lakes. Ground Water, v.40, n.4, p.390-405.
    [pdf printed July, 2002 ]

    Hoaglund, J.R., G.C. Huffman, and N.G. Grannemann, (2002).  Simulation of ground-water flow in the Glaciofluvial, Saginaw, Parma-Bayport, and Marshall Aquifers, Central Lower Peninsula of Michigan.  U.S. Geological Survey Open-File Report 00-504.
    [pdf printed January, 2003 ; govt. approved publication December 19, 2000]

    [ Michigan Basin RASA Modflow model input/output files, data, figures, support programming, etc. ]

    [ Michigan Basin RASA Modflow ArcView 3.2 archive of model grids and maps. ]