Author
Gerlach, Larry R.
4
Powell, John Wesley, 1834-1902
4
Colorado Historical Society
3
Hafen, LeRoy R. 1893-1985
3
Smith, Duane A.
3
Van Gogh, Anna, 1931-
3
Bollinger, Edward Taylor, 1907-
2
Breitenstein, Jean S., 1901-1986
2
Colorado Foundation for Water Education
2
Colorado Water Conservation Board
2
Continuing Legal Education in Colorado
2
Disabled American Veterans
2
Hobbs, Greg
2
Mumey, Nolie, 1891-1984
2
New Jersey Historical Commission
2
Schmeckebier, Laurence F. 1877-1959
2
Smith, Dwight L. 1918-2010,
2
Stanton, Robert Brewster, 1846-1922
2
United States. Bureau of Reclamation
2
United States. Department of the Interior
2
Wilson, John P.
2
Adams, James Truslow, 1878-1949
1
Alta Avalanche Study Center
1
American Bar Association. Section of Environment, Energy, and Resources
1
American Forestry Association
1
Amundson, Michael A., 1965-
1
Anderson, Alan, 1943-
1
Andrew, Rosanne Travis
1
Andrew, Virginia Willey
1
Apatoff, David,
1
Armes, George A. 1844-1919
1
Arthur D. Little, Inc
1
August, Jack L., Jr., 1954-
1
Babits, Lawrence Edward
1
Bakker, Karen J.
1
Bannister, L. Ward 1871-
1
Barker, Jane Valentine, 1930-
1
Barnum, P. T. 1810-1891
1
Bates, Sarah F.
1
Baum, Dan
1
Beam, George L. 1868-1935
1
Beard, Daniel Perry, 1943-
1
Beebe, Lucius, 1902-1966
1
Benton, Thomas Hart, 1889-1975
1
Billington, Ray Allen, 1903-1981
1
Boatright, Mody C. 1896-1970
1
Bonvillian, Gary
1
Boulanger, Clare L.
1
Bourke, John Gregory, 1846-1896
1
Bowman, S. M. 1815-1885
1
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