Research Interests

Computer Programs

geologic map with cross section line                              Mahantango cross section

Viewxsxn ver. 1.3 Beta  for Windows 95 /NT / 2000 etc.
Now with convert-to-Modflow96 capability!
This program is being developed as part of USDA grant #2003-35102-13587
Improving ground water models by adjusting transverse anisotropy regressed from a structural model

 [ download ]

Documentation:  Pending.  In the meantime, please use documentation for version 1.2a

Viewxsxn ver. 1.2a
Beta  for Windows 95 /NT / 2000 etc.
This program was, and is being, developed on USDA grant #2003-35102-13587
Improving ground water models by adjusting transverse anisotropy regressed from a structural model

 [ download ]

Documentation, including "From a geologic map to a 3D solid model"
 [ Word ] [ WordPerfect ] [HTML ]  

FAQs (and bug corrections)

If you would like to be added to the Viewxsxn mailing list (for updates), please send me an e-mail and put ADD in the subject line.  If you wouldn't mind, drop me a short note on what you are using Viewxsxn for.
John Hoaglund <hoaglund@essc.psu.edu>

Research Papers:

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. 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 ]

Hoaglund, J.R., C. Hochgraf, and T. Bohn, 2003.  The Hydrogen Effluent.  Ground Water, vol. 41, no. 4, p. 404-405.
[pdf printed July, 2003 ]

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. ]

Research Figures:


  • 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