USGS ILLINOIS WATER SCIENCE CENTER PROFESSIONAL PAGES

• Terri Arnold -- Cartographer
  

• James Duncker -- Hydrologist
  

• David H. Dupre -- Civil Engineer
  

• David J. Fazio -- Geographer
  

• George E. Groschen -- Hydrologist, GWQW Investigations Section Chief
  

• Teresa M. Halfar -- Civil Engineer
  

• Mitchell A. Harris -- Ecologist
  

• Robert Ray Holmes, Jr. -- Hydrologist/Civil Engineer
  

• Audrey L. Ishii -- Hydrologist, SW Investigations Section Chief
  

• Gary Johnson -- Hydrologist/Engineer, Hydrologic Data Section Chief
  

• Kevin K. Johnson -- Hydrologist
  

• Robert T. Kay -- Hydrologist
  

• John K. LaTour -- Hydrologist
  

• Patrick C. Mills -- Hydrologist
  

• William S. Morrow -- Hydrologist
  

• Elizabeth A. Murphy -- Hydrologist
  

• Kevin A. Oberg -- Hydrologist
  

• Terry W. Ortel -- Hydrologist
  

• Thomas M. Over -- Hydrologist
  

• Donald P. Roseboom -- Hydrologist
  

• David L. Schrader -- Hydrologist
  

• Jennifer B. Sharpe -- Geographer
  

• David T. Soong -- Hydrologist
  

• Timothy D. Straub -- Civil Engineer
  

• Paul J. Terrio -- Hydrologist
  

• Kelly L. Warner -- Hydrologist