Twain, Mark, 1835-1910 7 Sparks, Richard E. 6 National Great Rivers Research and Education Center - NGRREC 3 Illinois. Center for Aquatic Ecology 2 Illinois. Natural History Survey Division. Aquatic Biology Section 2 Bancroft Library 1 Barry, John M., 1947- 1 Bechtold, Phyllis 1 Blodgett, K. Douglas 1 Cabb, Stuart 1 Carter, Hodding, 1907-1972 1 Childs, Marquis William, 1903- 1 Curvey, Austin 1 Davis, Norah Deakin, 1941- 1 Davis, Will 1 Edelen, Jake 1 Fair, Julianna 1 Fischer, Victor, 1942- 1 Forbes Biological Station (Havana, Ill.) 1 Fraley, Patrick 1 Greenpeace USA 1 Guravich, Dan 1 Hall, B. Clarence, 1936- 1 Harlin, Greg 1 Havighurst, Walter, 1901- 1 Hearn, Michael Patrick 1 Hill, Dick 1 Hirsch, Karen M. 1 Illinois. Dept. of Natural Resources 1 Illinois. Natural History Survey Division 1 Jackson, Robert W. 1950- 1 Johnson, Claudia D. 1 Johnson, Lois Walfrid 1 Jones, Mark 1 Joutel, Henri, 1640?-1735 1 Keane, Lisa 1 Markham, Chris 1 McDonald, Lacy Spraggins 1 McDonald, Trevor 1 Miller, A. C. 1 National Great Rivers Museum (U.S.) 1 Owen, Dan 1 PBS Distribution (Firm) 1 Pike, Zebulon Montgomery, 1779-1813 1 Rothert, Otto Arthur, 1871-1965 1 Samuel, Ray 1 Schneider, Paul, 1962- 1 Schoolcraft, Henry Rowe, 1793-1864 1 Scott, Quinta, 1941- 1 Siebert, Diane 1 Simpson, Claude M. 1910- 1 Smeltzer-Baer, Shaw 1 Smith, Kenneth E. 1 Stice, Chance 1 Stoeckel, Denise B. 1 Summers, Anna 1 Thompson, Erwin A. 1 U.S. Fish and Wildlife Service 1 United States. Army. Corps of Engineers Rock Island District 1 United States. Army. Corps of Engineers. Rock Island District 1 United States. Army. Corps of Engineers. St. Louis District 1 United States. Army. Corps of Engineers. St. Paul District 1 Walker, Sally M. 1 Walsh, Kieran 1 Warden, A. C. 1 Watkins, T. H. 1936- 1 Wood, C. T. 1 Wuellner, Tristan 1