(Colorado State University. Libraries, 1975) Steen, Ordell, author; Berg, William A., author; Experiment Station, Colorado State University in cooperation with Climax Molybdenum Co., publisher
(Colorado State University. Libraries, 1974) Berg, William A., author; Brown, James A., author; Cuany, Robin L., author; Environmental Resources Center, Colorado State University, publisher
Proceedings of a workshop on revegetation of high-altitude disturbed lands held in Fort Collins, Colorado on January 31 to February 1, 1974.
